/* ========================================
   Baby Cassar Registry - Public Styles
   Shared by registry.php and tracker.php
   ======================================== */

/* --- Design Tokens --- */
:root {
    --color-bg: #FAFAF5;
    --color-card: #FFFFFF;
    --color-primary: #7C9A72;
    --color-primary-light: #E8F0E4;
    --color-accent: #C4A962;
    --color-text: #2D3436;
    --color-text-light: #636E72;
    --color-border: #E0DDD5;
    --color-claimed: #A8D5A2;
    --color-danger: #E17055;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.2;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s, transform 0.1s;
    text-align: center;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: #6B8862;
    border-color: #6B8862;
    text-decoration: none;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary-light);
    text-decoration: none;
}

.btn-claimed {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary-light);
    cursor: default;
    opacity: 0.8;
}

.btn-danger {
    background-color: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
}

.btn-danger:hover {
    background-color: #c9553e;
    border-color: #c9553e;
}

/* ================================================
   REGISTRY PAGE
   ================================================ */

/* --- Header --- */
.registry-header {
    text-align: center;
    padding: 40px 16px 24px;
    background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
}

.registry-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.registry-welcome {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.tracker-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 20px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    transition: background-color 0.2s, border-color 0.2s;
}

.tracker-link:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    text-decoration: none;
}

/* --- Filter Bar --- */
.filter-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

.filter-bar-inner {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 0 16px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
}

.filter-bar-inner::-webkit-scrollbar {
    display: none;
}

.filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    cursor: pointer;
    white-space: nowrap;
    min-height: 44px;
    flex-shrink: 0;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.filter-pill:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-pill.active {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.filter-pill.active .pill-count {
    background-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

.pill-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 11px;
}

/* --- Items Grid --- */
.items-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px 0 40px;
}

/* --- Item Card --- */
.item-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}

.item-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.item-card.hidden {
    display: none;
}

.item-image-wrap {
    position: relative;
    aspect-ratio: 4 / 3;
    background-color: var(--color-primary-light);
    overflow: hidden;
}

.item-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-image.placeholder-img {
    object-fit: contain;
    padding: 16px;
}

.claimed-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #2d6a2e;
    background-color: var(--color-claimed);
    border-radius: 6px;
}

.item-body {
    padding: 14px 16px 8px;
    flex: 1;
}

.item-name {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.item-store {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.item-price {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
}

.item-actions {
    display: flex;
    gap: 8px;
    padding: 12px 16px 16px;
}

.item-actions .btn {
    flex: 1;
    font-size: 0.8rem;
    padding: 8px 12px;
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-light);
    font-size: 1.1rem;
}

/* --- Error Page --- */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 40px 20px;
}

.error-page .registry-title {
    margin-bottom: 16px;
}

.error-page p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 480px;
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    padding: 20px;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
    padding: 32px 28px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    transform: translateY(20px) scale(0.96);
    transition: transform 0.25s ease;
}

.modal-overlay.open .modal-card {
    transform: translateY(0) scale(1);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.modal-body {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 24px;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.modal-actions .btn {
    width: 100%;
}

/* --- Toast --- */
.toast-container {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: calc(100% - 32px);
    max-width: 420px;
    pointer-events: none;
}

.toast {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    border-left: 4px solid var(--color-primary);
    padding: 14px 18px;
    font-size: 0.9rem;
    color: var(--color-text);
    pointer-events: auto;
    animation: toast-slide-in 0.35s ease forwards;
}

.toast.toast-error {
    border-left-color: var(--color-danger);
}

.toast.toast-dismiss {
    animation: toast-slide-out 0.3s ease forwards;
}

@keyframes toast-slide-in {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toast-slide-out {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* --- Footer --- */
.registry-footer {
    text-align: center;
    padding: 32px 16px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* ================================================
   TRACKER PAGE
   ================================================ */

.tracker-header {
    text-align: center;
    padding: 40px 16px 24px;
    background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
}

.tracker-header .registry-title {
    margin-bottom: 4px;
}

.tracker-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.registry-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 20px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    transition: background-color 0.2s, border-color 0.2s;
}

.registry-link:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    text-decoration: none;
}

/* Countdown Section */
.countdown-section {
    padding: 32px 0;
}

.countdown-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    padding: 32px 24px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.heartbeat {
    display: inline-block;
    color: var(--color-danger);
    animation: heartbeat 1.2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    14% { transform: scale(1.2); }
    28% { transform: scale(1); }
    42% { transform: scale(1.15); }
    56% { transform: scale(1); }
}

.countdown-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 8px;
}

.countdown-unit {
    padding: 12px 8px;
    background-color: var(--color-primary-light);
    border-radius: 8px;
}

.countdown-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.countdown-unit-label {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.countdown-sub {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.countdown-sub .countdown-unit {
    background-color: transparent;
}

.countdown-sub .countdown-value {
    font-size: 1.4rem;
}

/* Baby Info */
.baby-info-section {
    padding: 0 0 32px;
}

.baby-info-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    padding: 28px 24px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.fruit-emoji {
    font-size: 3rem;
    margin-bottom: 8px;
}

.week-label {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.fruit-comparison {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

/* Progress Bar */
.progress-section {
    margin-top: 8px;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.progress-track {
    width: 100%;
    height: 14px;
    background-color: var(--color-primary-light);
    border-radius: 7px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-claimed) 100%);
    border-radius: 7px;
    transition: width 1s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    animation: shimmer 2.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.trimester-markers {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--color-text-light);
    margin-top: 6px;
    padding: 0 2px;
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 40px;
}

.stat-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    padding: 20px 16px;
    text-align: center;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 4px;
}

/* Tracker footer */
.tracker-footer {
    text-align: center;
    padding: 32px 16px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* ================================================
   RESPONSIVE BREAKPOINTS
   ================================================ */

/* Tablet: 2 columns */
@media (min-width: 640px) {
    .container {
        padding: 0 24px;
    }

    .registry-header {
        padding: 48px 24px 28px;
    }

    .registry-title {
        font-size: 2.4rem;
    }

    .items-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .modal-actions {
        flex-direction: row;
    }

    .modal-actions .btn {
        width: auto;
        flex: 1;
    }

    .countdown-grid {
        gap: 16px;
    }

    .countdown-value {
        font-size: 2.4rem;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop: 3 columns */
@media (min-width: 1024px) {
    .registry-header {
        padding: 56px 24px 32px;
    }

    .registry-title {
        font-size: 2.8rem;
    }

    .items-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .filter-bar-inner {
        justify-content: center;
        padding: 0 24px;
    }

    .countdown-value {
        font-size: 2.8rem;
    }
}