/* ==========================================================================
   Calculate My Peptides — Frontend Styles
   Scoped under .pepcalc-wrap to avoid theme conflicts
   ========================================================================== */

/* --------------------------------------------------------------------------
   Full-page dark mode when calculator is on the page
   -------------------------------------------------------------------------- */
body.pepcalc-page {
    background-color: #04091a !important;
    color: #e2e8f4 !important;
}

/* Force theme wrappers transparent — default WP block themes + classic themes */
body.pepcalc-page #content,
body.pepcalc-page #main,
body.pepcalc-page main,
body.pepcalc-page .site-content,
body.pepcalc-page .entry-content,
body.pepcalc-page .page-content,
body.pepcalc-page article,
body.pepcalc-page .post,
body.pepcalc-page .hentry,
body.pepcalc-page .wp-block-post-content,
body.pepcalc-page .wp-block-group,
body.pepcalc-page .wp-site-blocks,
body.pepcalc-page .wp-block-template-part,
body.pepcalc-page .wp-block-post,
body.pepcalc-page .is-layout-constrained {
    background: transparent !important;
    box-shadow: none !important;
}

/* Custom site footer */
.pepcalc-site-footer {
    background:   var(--pc-bg, #04091a);
    border-top:   1px solid #1a2545;
    padding:      28px 24px;
    margin-top:   auto;
}

.pepcalc-site-footer-inner {
    max-width:       860px;
    margin:          0 auto;
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    flex-wrap:       wrap;
    gap:             12px;
}

.pepcalc-footer-copy {
    font-size: 13px;
    color:     #4a5a80;
}

.pepcalc-footer-nav {
    display: flex;
    gap:     20px;
    flex-wrap: wrap;
}

.pepcalc-footer-link {
    font-size:       13px;
    color:           #7a8ab0;
    text-decoration: none;
    transition:      color 0.2s;
}

.pepcalc-footer-link:hover { color: #00d4aa; }

@media (max-width: 600px) {
    .pepcalc-site-footer-inner {
        flex-direction: column;
        align-items:    flex-start;
        gap:            10px;
    }
}

/* Hide page title on all pepcalc pages */
body.pepcalc-page h1.wp-block-post-title,
body.pepcalc-page .wp-block-post-title,
body.pepcalc-page .entry-title,
body.pepcalc-page h1.page-title,
body.pepcalc-page h1.entry-title,
body.pepcalc-page .page-header {
    display: none !important;
}

/* Make the calculator fill its container cleanly */
body.pepcalc-page .pepcalc-wrap {
    width:      100%;
    max-width:  860px;
    margin:     0 auto;
    padding:    28px 24px 80px;
    box-sizing: border-box;
}

/* Hide the theme footer on pepcalc pages */
body.pepcalc-page .wp-block-template-part[class*="footer"],
body.pepcalc-page footer.wp-block-template-part,
body.pepcalc-page #colophon,
body.pepcalc-page .site-footer,
body.pepcalc-page footer {
    display: none !important;
}

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
.pepcalc-wrap {
    --pc-bg:           #04091a;
    --pc-bg-card:      #080f24;
    --pc-bg-card2:     #0c1530;
    --pc-border:       #1a2545;
    --pc-accent:       #00d4aa;
    --pc-accent-dim:   #00a888;
    --pc-accent-glow:  rgba(0, 212, 170, 0.18);
    --pc-text:         #e2e8f4;
    --pc-text-muted:   #7a8ab0;
    --pc-text-dim:     #4a5a80;
    --pc-danger:       #ff4f6d;
    --pc-warning:      #ffb74d;
    --pc-mono:         'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    --pc-sans:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --pc-radius:       10px;
    --pc-radius-sm:    6px;
    --pc-radius-lg:    16px;
    --pc-shadow:       0 4px 24px rgba(0, 0, 0, 0.5);
    --pc-transition:   0.2s ease;

    font-family:     var(--pc-sans);
    color:           var(--pc-text);
    background:      var(--pc-bg);
    padding:         24px 16px 40px;
    min-height:      200px;
    box-sizing:      border-box;
}

.pepcalc-wrap *,
.pepcalc-wrap *::before,
.pepcalc-wrap *::after {
    box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   Disclaimer Bar
   -------------------------------------------------------------------------- */
.pepcalc-disclaimer-bar {
    display:       flex;
    align-items:   center;
    gap:           8px;
    background:    rgba(255, 183, 77, 0.06);
    border:        1px solid rgba(255, 183, 77, 0.25);
    border-radius: var(--pc-radius-sm);
    color:         #c89a3a;
    font-size:     12px;
    line-height:   1.5;
    padding:       9px 14px;
    margin-bottom: 20px;
}

/* --------------------------------------------------------------------------
   Field Hints
   -------------------------------------------------------------------------- */
.pepcalc-field-hint {
    font-size:   12px;
    color:       #5a6a90;
    margin:      6px 0 0;
    line-height: 1.55;
}

/* --------------------------------------------------------------------------
   Auth Prompt (My Calculations — logged out)
   -------------------------------------------------------------------------- */
.pepcalc-auth-prompt {
    text-align:  center;
    padding:     60px 24px;
    max-width:   420px;
    margin:      0 auto;
}

.pepcalc-auth-prompt-icon {
    width:         72px;
    height:        72px;
    background:    var(--pc-accent-glow);
    border:        1px solid rgba(0, 212, 170, 0.25);
    border-radius: 50%;
    display:       inline-flex;
    align-items:   center;
    justify-content: center;
    color:         var(--pc-accent);
    margin-bottom: 20px;
}

.pepcalc-auth-prompt-title {
    font-size:     22px;
    font-weight:   800;
    color:         var(--pc-text);
    margin:        0 0 10px;
}

.pepcalc-auth-prompt-sub {
    font-size:     14px;
    color:         var(--pc-text-muted);
    margin:        0 0 28px;
    line-height:   1.6;
}

.pepcalc-auth-prompt-actions {
    display:        flex;
    gap:            10px;
    justify-content: center;
    flex-wrap:      wrap;
}

/* --------------------------------------------------------------------------
   Compound Card
   -------------------------------------------------------------------------- */
.pepcalc-compound-card {
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-lg);
    padding:       24px;
    margin-bottom: 20px;
    position:      relative;
    transition:    border-color var(--pc-transition);
}

.pepcalc-compound-card:hover {
    border-color: rgba(0, 212, 170, 0.3);
}

.pepcalc-card-header {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    margin-bottom:   20px;
}

.pepcalc-card-title {
    font-size:     14px;
    font-weight:   600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color:         var(--pc-accent);
}

.pepcalc-remove-card {
    background: none;
    border:     none;
    color:      var(--pc-text-muted);
    cursor:     pointer;
    padding:    4px;
    line-height: 1;
    border-radius: 4px;
    transition: color var(--pc-transition);
}

.pepcalc-remove-card:hover { color: var(--pc-danger); }

/* --------------------------------------------------------------------------
   Form Fields
   -------------------------------------------------------------------------- */
.pepcalc-field {
    margin-bottom: 16px;
}

.pepcalc-label {
    display:       block;
    font-size:     12px;
    font-weight:   600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:         var(--pc-text-muted);
    margin-bottom: 6px;
}

.pepcalc-input,
.pepcalc-select {
    width:         100%;
    background:    var(--pc-bg-card2);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-sm);
    color:         var(--pc-text);
    font-size:     15px;
    font-family:   var(--pc-sans);
    padding:       10px 12px;
    transition:    border-color var(--pc-transition), box-shadow var(--pc-transition);
    appearance:    none;
    -webkit-appearance: none;
}

.pepcalc-input:focus,
.pepcalc-select:focus {
    outline:      none;
    border-color: var(--pc-accent);
    box-shadow:   0 0 0 3px var(--pc-accent-glow);
}

.pepcalc-input--narrow {
    width:    140px;
    max-width: 100%;
}

.pepcalc-select {
    background-image:    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%237a8ab0' stroke-width='2'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat:   no-repeat;
    background-position: right 12px center;
    padding-right:       36px;
    cursor:              pointer;
}

/* Dose field with unit toggle */
.pepcalc-dose-row {
    display:   flex;
    gap:       8px;
    align-items: flex-end;
}

.pepcalc-dose-row .pepcalc-input {
    flex: 1;
}

.pepcalc-dose-row .pepcalc-select {
    width:     90px;
    flex-shrink: 0;
}

.pepcalc-field-row {
    display:   grid;
    grid-template-columns: 1fr 1fr;
    gap:       12px;
}

@media (max-width: 480px) {
    .pepcalc-field-row { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Calculate Button
   -------------------------------------------------------------------------- */
.pepcalc-calc-row {
    margin-top: 20px;
    display:    flex;
    gap:        10px;
    flex-wrap:  wrap;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.pepcalc-btn {
    display:        inline-flex;
    align-items:    center;
    gap:            6px;
    padding:        10px 20px;
    border-radius:  var(--pc-radius-sm);
    font-size:      14px;
    font-weight:    600;
    cursor:         pointer;
    transition:     all var(--pc-transition);
    border:         none;
    line-height:    1;
    white-space:    nowrap;
}

.pepcalc-btn--primary {
    background:  linear-gradient(135deg, #00d4aa 0%, #00a8c8 100%);
    color:       #02040e;
    box-shadow:  0 4px 16px rgba(0, 212, 170, 0.28);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.pepcalc-btn--primary:hover {
    background:  linear-gradient(135deg, #00e8bc 0%, #00bde0 100%);
    box-shadow:  0 6px 22px rgba(0, 212, 170, 0.42);
    transform:   translateY(-1px);
}

.pepcalc-btn--primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 212, 170, 0.2);
}

.pepcalc-btn--ghost {
    background:     transparent;
    color:          var(--pc-accent);
    border:         1px solid rgba(0, 212, 170, 0.45);
    letter-spacing: 0.02em;
}

.pepcalc-btn--ghost:hover {
    background:   var(--pc-accent-glow);
    border-color: var(--pc-accent);
    transform:    translateY(-1px);
}

.pepcalc-btn--ghost:active { transform: translateY(0); }

.pepcalc-btn--danger {
    background: transparent;
    color:      var(--pc-danger);
    border:     1px solid var(--pc-danger);
}

.pepcalc-btn--danger:hover {
    background: rgba(255, 79, 109, 0.1);
}

.pepcalc-btn:disabled {
    opacity: 0.5;
    cursor:  not-allowed;
}

.pepcalc-add-compound {
    margin-top:    8px;
    margin-bottom: 32px;
    font-size:     13px;
}

/* --------------------------------------------------------------------------
   Results Panel
   -------------------------------------------------------------------------- */
.pepcalc-result {
    background:    var(--pc-bg-card2);
    border:        1px solid rgba(0, 212, 170, 0.25);
    border-radius: var(--pc-radius);
    padding:       20px;
    margin-top:    20px;
}

.pepcalc-disclaimer {
    font-size:     11px;
    color:         var(--pc-text-muted);
    border-left:   2px solid var(--pc-warning);
    padding-left:  10px;
    margin-bottom: 16px;
    line-height:   1.5;
}

.pepcalc-result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.pepcalc-result-item {
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-sm);
    padding:       12px 14px;
}

.pepcalc-result-label {
    font-size:      11px;
    font-weight:    700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:          #8a9ab8;
    margin-bottom:  4px;
}

.pepcalc-result-value {
    font-family: var(--pc-mono);
    font-size:   24px;
    font-weight: 700;
    color:       var(--pc-accent);
    line-height: 1.1;
}

.pepcalc-result-unit {
    font-size:  13px;
    color:      #8a9ab8;
    margin-top: 3px;
}

/* Warning state */
.pepcalc-warning {
    background:    rgba(255, 183, 77, 0.08);
    border:        1px solid var(--pc-warning);
    border-radius: var(--pc-radius-sm);
    color:         var(--pc-warning);
    font-size:     13px;
    padding:       10px 14px;
    margin-bottom: 14px;
    display:       flex;
    gap:           8px;
    align-items:   flex-start;
}

.pepcalc-warning svg { flex-shrink: 0; margin-top: 1px; }

/* --------------------------------------------------------------------------
   Syringe Fill Bar
   -------------------------------------------------------------------------- */
.pepcalc-syringe-visual {
    margin-top: 16px;
}

.pepcalc-syringe-label {
    font-size:    12px;
    color:        var(--pc-text-muted);
    margin-bottom: 6px;
    display:      flex;
    justify-content: space-between;
}

.pepcalc-syringe-track {
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: 999px;
    height:        20px;
    overflow:      hidden;
    position:      relative;
}

.pepcalc-syringe-fill {
    height:           100%;
    border-radius:    999px;
    background:       linear-gradient(90deg, var(--pc-accent), #00ffcc);
    box-shadow:       0 0 10px var(--pc-accent-glow);
    transition:       width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    position:         relative;
    min-width:        0%;
    max-width:        100%;
}

.pepcalc-syringe-fill.overflow {
    background: linear-gradient(90deg, var(--pc-danger), #ff8a65);
    box-shadow: 0 0 10px rgba(255, 79, 109, 0.3);
}

.pepcalc-syringe-tick-marks {
    position:   absolute;
    top:        0;
    left:       0;
    width:      100%;
    height:     100%;
    display:    flex;
    align-items: center;
    pointer-events: none;
}

.pepcalc-syringe-tick {
    position:   absolute;
    height:     10px;
    width:      1px;
    background: rgba(255, 255, 255, 0.15);
    top:        50%;
    transform:  translateY(-50%);
}

/* --------------------------------------------------------------------------
   Save Button / Login Link
   -------------------------------------------------------------------------- */
.pepcalc-save-area {
    margin-top: 16px;
    text-align: right;
}

.pepcalc-login-notice {
    font-size:  13px;
    color:      var(--pc-text-muted);
    text-align: right;
}

.pepcalc-login-notice a {
    color:           var(--pc-accent);
    text-decoration: none;
}

.pepcalc-login-notice a:hover { text-decoration: underline; }

/* --------------------------------------------------------------------------
   Sponsors
   -------------------------------------------------------------------------- */
.pepcalc-sponsors {
    display:   flex;
    gap:       16px;
    flex-wrap: wrap;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--pc-border);
}

.pepcalc-sponsor-card {
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius);
    padding:       14px 18px;
    display:       flex;
    align-items:   center;
    gap:           12px;
    text-decoration: none;
    color:         var(--pc-text);
    transition:    border-color var(--pc-transition), transform var(--pc-transition);
    flex:          1;
    min-width:     160px;
    max-width:     300px;
}

.pepcalc-sponsor-card:hover {
    border-color: var(--pc-accent);
    transform:    translateY(-2px);
}

.pepcalc-sponsor-logo {
    height:     40px;
    width:      auto;
    object-fit: contain;
    flex-shrink: 0;
}

.pepcalc-sponsor-name {
    font-size:   14px;
    font-weight: 600;
}

.pepcalc-sponsor-eyebrow {
    font-size:  10px;
    color:      var(--pc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------------
   Modal
   -------------------------------------------------------------------------- */
.pepcalc-modal-overlay {
    position:        fixed;
    inset:           0;
    background:      rgba(4, 9, 26, 0.85);
    backdrop-filter: blur(6px);
    z-index:         99999;
    display:         flex;
    align-items:     center;
    justify-content: center;
    padding:         16px;
    animation:       pcFadeIn 0.18s ease;
}

.pepcalc-modal-overlay[hidden] { display: none !important; }

.pepcalc-modal {
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-lg);
    padding:       28px;
    width:         100%;
    max-width:     520px;
    max-height:    90vh;
    overflow-y:    auto;
    position:      relative;
    animation:     pcSlideUp 0.22s cubic-bezier(0.34, 1.4, 0.64, 1);
    box-shadow:    var(--pc-shadow);
}

.pepcalc-modal--sm { max-width: 400px; }

.pepcalc-modal-close {
    position:   absolute;
    top:        16px;
    right:      16px;
    background: none;
    border:     none;
    color:      var(--pc-text-muted);
    cursor:     pointer;
    padding:    4px;
    border-radius: 4px;
    transition: color var(--pc-transition);
    line-height: 1;
}

.pepcalc-modal-close:hover { color: var(--pc-text); }

.pepcalc-modal-title {
    font-size:     18px;
    font-weight:   700;
    color:         var(--pc-text);
    margin:        0 0 20px;
    padding-right: 28px;
}

.pepcalc-modal-actions {
    display:         flex;
    gap:             10px;
    justify-content: flex-end;
    margin-top:      24px;
    flex-wrap:       wrap;
}

/* Schedule mode toggle */
.pepcalc-toggle-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pepcalc-toggle-option {
    display:       flex;
    align-items:   center;
    gap:           8px;
    cursor:        pointer;
    font-size:     14px;
    color:         var(--pc-text);
    padding:       10px 14px;
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-sm);
    transition:    border-color var(--pc-transition), background var(--pc-transition);
}

.pepcalc-toggle-option:has(input:checked) {
    border-color: var(--pc-accent);
    background:   var(--pc-accent-glow);
}

.pepcalc-toggle-option input { accent-color: var(--pc-accent); }

/* Weekday picker */
.pepcalc-weekday-picker {
    display: flex;
    gap:     6px;
    flex-wrap: wrap;
}

.pepcalc-day-btn {
    width:         44px;
    height:        44px;
    border-radius: 50%;
    border:        1px solid var(--pc-border);
    background:    var(--pc-bg-card2);
    color:         var(--pc-text-muted);
    font-size:     12px;
    font-weight:   600;
    cursor:        pointer;
    transition:    all var(--pc-transition);
}

.pepcalc-day-btn.active {
    background:   var(--pc-accent);
    border-color: var(--pc-accent);
    color:        #02040e;
}

.pepcalc-day-btn:hover:not(.active) {
    border-color: var(--pc-accent);
    color:        var(--pc-accent);
}

/* --------------------------------------------------------------------------
   My Calculations — List View
   -------------------------------------------------------------------------- */
.pepcalc-view-controls {
    display:         flex;
    justify-content: flex-end;
    margin-bottom:   20px;
}

.pepcalc-view-toggle {
    display:       flex;
    gap:           4px;
    background:    var(--pc-bg-card2);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-sm);
    padding:       3px;
}

.pepcalc-view-btn {
    display:       inline-flex;
    align-items:   center;
    gap:           6px;
    padding:       7px 14px;
    font-size:     13px;
    font-weight:   600;
    border-radius: 4px;
    border:        none;
    background:    transparent;
    color:         var(--pc-text-muted);
    cursor:        pointer;
    transition:    all var(--pc-transition);
}

.pepcalc-view-btn.active {
    background: var(--pc-accent);
    color:      #02040e;
}

.pepcalc-calc-card {
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius);
    padding:       18px 20px;
    margin-bottom: 12px;
    transition:    border-color var(--pc-transition);
}

.pepcalc-calc-card:hover { border-color: rgba(0, 212, 170, 0.3); }

.pepcalc-calc-card-header {
    display:         flex;
    align-items:     flex-start;
    justify-content: space-between;
    gap:             12px;
    flex-wrap:       wrap;
}

.pepcalc-calc-label {
    font-size:   16px;
    font-weight: 700;
    color:       var(--pc-text);
}

.pepcalc-calc-meta {
    display:   flex;
    flex-wrap: wrap;
    gap:       16px;
    margin:    10px 0;
    font-size: 14px;
    color:     #8a9ab8;
}

.pepcalc-calc-meta-item {
    display:    flex;
    align-items: center;
    gap:        4px;
}

.pepcalc-calc-meta-item strong {
    font-family: var(--pc-mono);
    color:       #d0daf0;
    font-size:   15px;
}

.pepcalc-schedule-badge {
    display:       inline-flex;
    align-items:   center;
    gap:           5px;
    background:    rgba(0, 212, 170, 0.1);
    border:        1px solid rgba(0, 212, 170, 0.3);
    border-radius: 999px;
    padding:       3px 10px;
    font-size:     12px;
    color:         var(--pc-accent);
    margin-top:    6px;
}

.pepcalc-calc-actions {
    display:   flex;
    gap:       8px;
    flex-wrap: wrap;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--pc-border);
}

.pepcalc-calc-actions .pepcalc-btn {
    font-size: 12px;
    padding:   7px 14px;
}

.pepcalc-loading {
    color:     var(--pc-text-muted);
    font-size: 14px;
    padding:   20px 0;
}

.pepcalc-empty-state {
    text-align:  center;
    padding:     48px 20px;
    color:       var(--pc-text-muted);
}

.pepcalc-empty-state svg {
    opacity:       0.25;
    margin-bottom: 16px;
}

.pepcalc-empty-state p {
    font-size: 15px;
}

/* --------------------------------------------------------------------------
   Calendar View
   -------------------------------------------------------------------------- */
.pepcalc-calendar-view { margin-top: 0; }

.pepcalc-cal-toolbar {
    display:         flex;
    align-items:     center;
    gap:             12px;
    margin-bottom:   16px;
    flex-wrap:       wrap;
}

.pepcalc-cal-nav {
    background:    var(--pc-bg-card2);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-sm);
    color:         var(--pc-text);
    width:         36px;
    height:        36px;
    display:       inline-flex;
    align-items:   center;
    justify-content: center;
    cursor:        pointer;
    transition:    border-color var(--pc-transition), background var(--pc-transition);
    flex-shrink:   0;
}

.pepcalc-cal-nav:hover {
    border-color: var(--pc-accent);
    background:   var(--pc-accent-glow);
}

.pepcalc-cal-title {
    flex:        1;
    font-size:   17px;
    font-weight: 700;
    color:       var(--pc-text);
    min-width:   120px;
}

.pepcalc-cal-view-toggle {
    display:       flex;
    gap:           4px;
    background:    var(--pc-bg-card2);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-sm);
    padding:       3px;
    margin-left:   auto;
}

.pepcalc-cal-mode-btn {
    padding:       6px 14px;
    font-size:     12px;
    font-weight:   600;
    border-radius: 4px;
    border:        none;
    background:    transparent;
    color:         var(--pc-text-muted);
    cursor:        pointer;
    transition:    all var(--pc-transition);
}

.pepcalc-cal-mode-btn.active {
    background: var(--pc-accent);
    color:      #02040e;
}

/* Month Grid */
.pepcalc-cal-grid {
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-lg);
    overflow:      hidden;
}

.pepcalc-cal-dow-row {
    display:               grid;
    grid-template-columns: repeat(7, 1fr);
    border-bottom:         1px solid var(--pc-border);
}

.pepcalc-cal-dow {
    padding:       8px 6px;
    text-align:    center;
    font-size:     11px;
    font-weight:   700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:         var(--pc-text-muted);
}

.pepcalc-cal-month-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.pepcalc-cal-day {
    border-right:  1px solid var(--pc-border);
    border-bottom: 1px solid var(--pc-border);
    min-height:    80px;
    padding:       6px;
    position:      relative;
    transition:    background var(--pc-transition);
}

.pepcalc-cal-day:nth-child(7n) { border-right: none; }

.pepcalc-cal-day.outside-month .pepcalc-cal-day-num {
    color: var(--pc-text-dim);
}

.pepcalc-cal-day.today .pepcalc-cal-day-num {
    background:    var(--pc-accent);
    color:         #02040e;
    border-radius: 50%;
    width:         24px;
    height:        24px;
    display:       inline-flex;
    align-items:   center;
    justify-content: center;
    font-weight:   700;
}

.pepcalc-cal-day-num {
    font-size:   12px;
    font-weight: 600;
    color:       var(--pc-text-muted);
    line-height: 1;
    margin-bottom: 4px;
    display:     inline-block;
    min-width:   24px;
    text-align:  center;
}

.pepcalc-cal-events {
    display:        flex;
    flex-direction: column;
    gap:            2px;
}

.pepcalc-cal-event {
    font-size:     10px;
    font-weight:   600;
    border-radius: 3px;
    padding:       2px 5px;
    cursor:        pointer;
    overflow:      hidden;
    white-space:   nowrap;
    text-overflow: ellipsis;
    transition:    opacity var(--pc-transition), filter var(--pc-transition);
    line-height:   1.4;
}

.pepcalc-cal-event.past {
    opacity: 0.45;
    filter:  grayscale(0.4);
}

.pepcalc-cal-event:hover { opacity: 0.85; }

.pepcalc-cal-event-overflow {
    font-size:  9px;
    color:      var(--pc-text-muted);
    padding:    1px 4px;
    cursor:     default;
}

/* Week Grid */
.pepcalc-cal-week-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    min-height: 320px;
}

.pepcalc-cal-week-day {
    border-right:  1px solid var(--pc-border);
    padding:       10px 8px;
    min-height:    320px;
}

.pepcalc-cal-week-day:last-child { border-right: none; }

.pepcalc-cal-week-day-header {
    text-align:    center;
    margin-bottom: 10px;
}

.pepcalc-cal-week-dow {
    font-size:      10px;
    font-weight:    700;
    text-transform: uppercase;
    color:          var(--pc-text-muted);
    letter-spacing: 0.06em;
}

.pepcalc-cal-week-date {
    font-size:     18px;
    font-weight:   700;
    color:         var(--pc-text);
    line-height:   1.1;
}

.pepcalc-cal-week-day.today .pepcalc-cal-week-date {
    color: var(--pc-accent);
}

.pepcalc-cal-week-events {
    display:        flex;
    flex-direction: column;
    gap:            4px;
}

.pepcalc-cal-week-event {
    font-size:     11px;
    font-weight:   600;
    border-radius: var(--pc-radius-sm);
    padding:       6px 8px;
    cursor:        pointer;
    transition:    opacity var(--pc-transition), filter var(--pc-transition);
    line-height:   1.3;
}

.pepcalc-cal-week-event.past {
    opacity: 0.45;
    filter:  grayscale(0.4);
}

.pepcalc-cal-week-event:hover { opacity: 0.8; }

.pepcalc-cal-week-event .event-time {
    font-family: var(--pc-mono);
    font-size:   10px;
    opacity:     0.75;
    display:     block;
}

/* --------------------------------------------------------------------------
   Event Detail Modal
   -------------------------------------------------------------------------- */
.pepcalc-event-detail {
    display:        flex;
    flex-direction: column;
    gap:            10px;
}

.pepcalc-event-detail-row {
    display:         flex;
    justify-content: space-between;
    align-items:     baseline;
    padding:         8px 0;
    border-bottom:   1px solid var(--pc-border);
    font-size:       14px;
}

.pepcalc-event-detail-row:last-child { border-bottom: none; }

.pepcalc-event-detail-row span:first-child { color: var(--pc-text-muted); }

.pepcalc-event-detail-row span:last-child {
    font-family: var(--pc-mono);
    font-weight: 600;
    color:       var(--pc-text);
}

/* --------------------------------------------------------------------------
   Scrollbar
   -------------------------------------------------------------------------- */
.pepcalc-modal::-webkit-scrollbar { width: 6px; }
.pepcalc-modal::-webkit-scrollbar-track { background: var(--pc-bg-card2); }
.pepcalc-modal::-webkit-scrollbar-thumb { background: var(--pc-border); border-radius: 3px; }

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes pcFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes pcSlideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0)    scale(1);    }
}

/* --------------------------------------------------------------------------
   Responsive — Tablet (max 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    body.pepcalc-page .pepcalc-wrap {
        padding: 24px 16px 48px;
    }

    .pepcalc-result-grid {
        grid-template-columns: 1fr 1fr;
    }

    .pepcalc-cal-toolbar {
        flex-wrap: wrap;
        gap: 8px;
    }

    .pepcalc-cal-view-toggle {
        margin-left: 0;
    }
}

/* --------------------------------------------------------------------------
   Responsive — Mobile (max 600px)
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {

    /* Base */
    .pepcalc-wrap {
        padding: 16px 12px 40px;
    }

    body.pepcalc-page .pepcalc-wrap {
        padding: 20px 14px 48px;
    }

    /* Cards */
    .pepcalc-compound-card {
        padding: 16px 14px;
        border-radius: var(--pc-radius);
    }

    .pepcalc-card-title {
        font-size: 12px;
    }

    /* Inputs */
    .pepcalc-input,
    .pepcalc-select {
        font-size: 16px; /* prevents iOS zoom on focus */
        padding: 12px;
    }

    /* Two-column field row stacks to single column */
    .pepcalc-field-row {
        grid-template-columns: 1fr;
    }

    /* Dose row: keep horizontal but make touch-friendly */
    .pepcalc-dose-row {
        gap: 6px;
    }

    .pepcalc-dose-row .pepcalc-select {
        width: 80px;
        padding: 12px 8px;
        font-size: 15px;
    }

    /* Buttons */
    .pepcalc-btn {
        padding: 12px 18px;
        font-size: 14px;
    }

    .pepcalc-calc-row {
        flex-direction: column;
    }

    .pepcalc-calc-row .pepcalc-btn {
        width: 100%;
        justify-content: center;
    }

    .pepcalc-add-compound {
        width: 100%;
        justify-content: center;
    }

    /* Results */
    .pepcalc-result {
        padding: 16px 14px;
    }

    .pepcalc-result-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .pepcalc-result-value {
        font-size: 20px;
    }

    .pepcalc-result-item {
        padding: 10px 12px;
    }

    .pepcalc-disclaimer {
        font-size: 11px;
    }

    /* Syringe bar */
    .pepcalc-syringe-label {
        font-size: 11px;
    }

    /* Save area */
    .pepcalc-save-area {
        text-align: left;
    }

    .pepcalc-save-area .pepcalc-btn {
        width: 100%;
        justify-content: center;
    }

    /* Sponsors */
    .pepcalc-sponsors {
        flex-direction: column;
        gap: 10px;
    }

    .pepcalc-sponsor-card {
        max-width: 100%;
        flex: none;
    }

    /* Modal — full screen on mobile */
    .pepcalc-modal-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .pepcalc-modal {
        border-radius: var(--pc-radius-lg) var(--pc-radius-lg) 0 0;
        max-height: 92vh;
        padding: 24px 18px 32px;
        width: 100%;
        max-width: 100%;
        animation: pcSlideUpMobile 0.25s cubic-bezier(0.34, 1.2, 0.64, 1);
    }

    .pepcalc-modal--sm {
        max-width: 100%;
    }

    .pepcalc-modal-actions {
        flex-direction: column-reverse;
        gap: 8px;
    }

    .pepcalc-modal-actions .pepcalc-btn {
        width: 100%;
        justify-content: center;
        padding: 13px;
    }

    /* Weekday picker — larger touch targets */
    .pepcalc-day-btn {
        width: 40px;
        height: 40px;
        font-size: 11px;
    }

    /* My Calculations list */
    .pepcalc-view-controls {
        margin-bottom: 14px;
    }

    .pepcalc-calc-card {
        padding: 14px;
    }

    .pepcalc-calc-label {
        font-size: 15px;
    }

    .pepcalc-calc-meta {
        gap: 10px;
        font-size: 12px;
    }

    .pepcalc-calc-actions {
        flex-direction: column;
        gap: 6px;
    }

    .pepcalc-calc-actions .pepcalc-btn {
        width: 100%;
        justify-content: center;
        font-size: 13px;
        padding: 10px;
    }

    /* Calendar toolbar */
    .pepcalc-cal-toolbar {
        flex-wrap: wrap;
        gap: 8px;
    }

    .pepcalc-cal-title {
        font-size: 15px;
        flex-basis: 100%;
        order: -1;
    }

    .pepcalc-cal-view-toggle {
        margin-left: 0;
    }

    /* Calendar month — compact cells, dots only */
    .pepcalc-cal-dow {
        font-size: 10px;
        padding: 6px 2px;
    }

    .pepcalc-cal-day {
        min-height: 48px;
        padding: 4px;
    }

    .pepcalc-cal-day-num {
        font-size: 11px;
        min-width: 20px;
    }

    .pepcalc-cal-event {
        display: none;
    }

    /* Show a colored dot instead of event chip on mobile */
    .pepcalc-cal-day.has-events .pepcalc-cal-events::after {
        content:       '';
        display:       block;
        width:         6px;
        height:        6px;
        border-radius: 50%;
        background:    var(--pc-accent);
        margin:        3px auto 0;
    }

    /* Calendar week — horizontal scroll instead of hiding days */
    .pepcalc-cal-grid {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .pepcalc-cal-week-grid {
        grid-template-columns: repeat(7, minmax(100px, 1fr));
        min-width: 700px;
    }

    .pepcalc-cal-week-day {
        min-height: 200px;
        padding: 8px 6px;
    }

    .pepcalc-cal-week-date {
        font-size: 15px;
    }

    .pepcalc-cal-week-event {
        font-size: 10px;
        padding: 5px 6px;
    }

    /* Toggle buttons */
    .pepcalc-view-btn {
        padding: 7px 12px;
        font-size: 12px;
    }
}

/* --------------------------------------------------------------------------
   Responsive — Small phones (max 375px)
   -------------------------------------------------------------------------- */
@media (max-width: 375px) {
    .pepcalc-result-grid {
        grid-template-columns: 1fr;
    }

    .pepcalc-result-value {
        font-size: 22px;
    }

    .pepcalc-day-btn {
        width: 36px;
        height: 36px;
    }
}

@keyframes pcSlideUpMobile {
    from { transform: translateY(100%); }
    to   { transform: translateY(0);    }
}

/* --------------------------------------------------------------------------
   Auth Forms — Login & Register
   -------------------------------------------------------------------------- */
.pepcalc-auth-wrap {
    display:         flex;
    align-items:     flex-start;
    justify-content: center;
    min-height:      60vh;
    padding-top:     48px;
    padding-bottom:  64px;
}

.pepcalc-auth-card {
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-lg);
    padding:       40px 36px;
    width:         100%;
    max-width:     440px;
    box-shadow:    var(--pc-shadow);
}

.pepcalc-auth-logo {
    margin-bottom: 20px;
}

.pepcalc-auth-title {
    font-size:     26px;
    font-weight:   800;
    color:         var(--pc-text);
    margin:        0 0 6px;
    line-height:   1.1;
}

.pepcalc-auth-subtitle {
    font-size:     15px;
    color:         #8a9ab8;
    margin:        0 0 28px;
    line-height:   1.6;
}

.pepcalc-auth-form {
    display:        flex;
    flex-direction: column;
    gap:            0;
}

/* Full-width button variant */
.pepcalc-btn--full {
    width:           100%;
    justify-content: center;
    padding:         14px;
    font-size:       16px;
    font-weight:     700;
    margin-top:      10px;
    letter-spacing:  0.03em;
}

/* Already logged in card centering */
.pepcalc-already-card {
    text-align: center;
}

/* Password field with show/hide toggle */
.pepcalc-pass-row {
    position: relative;
    display:  flex;
}

.pepcalc-pass-row .pepcalc-input {
    padding-right: 44px;
    flex:          1;
}

.pepcalc-pass-toggle {
    position:        absolute;
    right:           0;
    top:             0;
    height:          100%;
    width:           44px;
    background:      none;
    border:          none;
    color:           var(--pc-text-muted);
    cursor:          pointer;
    display:         flex;
    align-items:     center;
    justify-content: center;
    transition:      color var(--pc-transition);
}

.pepcalc-pass-toggle:hover { color: var(--pc-accent); }

/* Label with inline link (Forgot?) */
.pepcalc-label {
    display:         flex;
    justify-content: space-between;
    align-items:     baseline;
}

.pepcalc-auth-link--inline {
    font-size:      11px;
    font-weight:    400;
    text-transform: none;
    letter-spacing: 0;
    color:          var(--pc-text-muted);
    text-decoration: none;
    transition:     color var(--pc-transition);
}

.pepcalc-auth-link--inline:hover { color: var(--pc-accent); }

/* Remember me / consent checkboxes */
.pepcalc-auth-check {
    display:     flex;
    align-items: flex-start;
    gap:         10px;
    cursor:      pointer;
    font-size:   14px;
    color:       #8a9ab8;
    line-height: 1.55;
    padding:     4px 0;
}

.pepcalc-auth-check input[type="checkbox"] {
    accent-color: var(--pc-accent);
    width:        16px;
    height:       16px;
    flex-shrink:  0;
    margin-top:   2px;
    cursor:       pointer;
}

.pepcalc-field--consent {
    margin-top: 4px;
}

/* Password strength bar */
.pepcalc-password-strength {
    margin-top: 6px;
    min-height: 16px;
    display:    flex;
    align-items: center;
    gap:        8px;
}

.pepcalc-strength-bar {
    flex:          1;
    height:        4px;
    background:    var(--pc-border);
    border-radius: 2px;
    overflow:      hidden;
}

.pepcalc-strength-bar div {
    height:     100%;
    border-radius: 2px;
    transition: width 0.3s ease, background 0.3s ease;
}

/* Error / success alerts */
.pepcalc-auth-error,
.pepcalc-auth-success {
    border-radius: var(--pc-radius-sm);
    padding:       10px 14px;
    font-size:     13px;
    margin-bottom: 16px;
    line-height:   1.5;
}

.pepcalc-auth-error {
    background: rgba(255, 79, 109, 0.1);
    border:     1px solid rgba(255, 79, 109, 0.4);
    color:      #ff8099;
}

.pepcalc-auth-success {
    background: rgba(0, 212, 170, 0.1);
    border:     1px solid rgba(0, 212, 170, 0.4);
    color:      var(--pc-accent);
}

/* Footer link row */
.pepcalc-auth-footer {
    text-align:  center;
    font-size:   14px;
    color:       #8a9ab8;
    margin:      24px 0 0;
}

.pepcalc-auth-link {
    color:           var(--pc-accent);
    text-decoration: none;
    font-weight:     600;
}

.pepcalc-auth-link:hover { text-decoration: underline; }

.pepcalc-auth-already {
    color:     var(--pc-text-muted);
    font-size: 14px;
    padding:   20px 0;
}

.pepcalc-auth-already a {
    color: var(--pc-accent);
}

/* Mobile auth */
@media (max-width: 600px) {
    .pepcalc-auth-card {
        padding: 28px 20px;
        border-radius: var(--pc-radius-lg) var(--pc-radius-lg) 0 0;
        border-bottom: none;
        min-height: 60vh;
    }

    .pepcalc-auth-wrap {
        align-items:  flex-end;
        padding-top:  0;
        padding-left: 0;
        padding-right: 0;
        min-height:   70vh;
    }

    .pepcalc-auth-title { font-size: 22px; }
}

/* ==========================================================================
   Account Page
   ========================================================================== */
.pepcalc-account-wrap {
    max-width: 680px;
}

.pepcalc-account-header {
    display:       flex;
    align-items:   center;
    gap:           20px;
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-lg);
    padding:       28px 28px;
    margin-bottom: 24px;
    flex-wrap:     wrap;
}

.pepcalc-account-avatar-wrap { flex-shrink: 0; }

.pepcalc-account-avatar {
    width:         72px;
    height:        72px;
    border-radius: 50%;
    border:        2px solid var(--pc-border);
    display:       block;
}

.pepcalc-account-meta { flex: 1; min-width: 0; }

.pepcalc-account-name {
    font-size:   20px;
    font-weight: 800;
    color:       var(--pc-text);
    margin:      0 0 4px;
}

.pepcalc-account-email {
    font-size: 14px;
    color:     var(--pc-text-muted);
    margin:    0 0 4px;
}

.pepcalc-account-since {
    font-size: 12px;
    color:     var(--pc-text-dim);
    margin:    0;
}

.pepcalc-account-actions {
    display:   flex;
    gap:       8px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.pepcalc-account-section {
    background:    var(--pc-bg-card);
    border:        1px solid var(--pc-border);
    border-radius: var(--pc-radius-lg);
    padding:       28px;
    margin-bottom: 20px;
}

.pepcalc-account-section-title {
    font-size:     15px;
    font-weight:   700;
    color:         var(--pc-text);
    margin:        0 0 20px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size:     12px;
    color:         var(--pc-accent);
}

.pepcalc-account-danger-zone {
    border-color: rgba(255, 79, 109, 0.3);
}

.pepcalc-account-danger-title { color: var(--pc-danger) !important; }

.pepcalc-account-danger-desc {
    font-size:     14px;
    color:         var(--pc-text-muted);
    margin:        0 0 16px;
    line-height:   1.6;
}

/* Success message */
.pepcalc-auth-success {
    background:    rgba(0, 212, 170, 0.08);
    border:        1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--pc-radius-sm);
    color:         var(--pc-accent);
    font-size:     13px;
    padding:       10px 14px;
    margin-bottom: 14px;
}

@media (max-width: 600px) {
    .pepcalc-account-header { flex-direction: column; align-items: flex-start; }
    .pepcalc-account-actions { width: 100%; }
    .pepcalc-account-actions .pepcalc-btn { flex: 1; justify-content: center; }
}