@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Brand Burgundy Accent */
    --brand: #97192c;
    --brand-hover: #b3243a;
    
    /* Muted Burgundy-Tinted Neutrals */
    --bg: #0c0809; /* Deep wine-tinted background */
    --card: #120e0f; /* Slightly lighter wine-tinted card surface */
    --card-foreground: #fafafa;
    
    --border: #2c2022; /* Wine-tinted border line */
    --input: #1a1213; /* Darker input background */
    
    --primary: #fafafa;
    --primary-foreground: #0c0809;
    
    --secondary: #1d1517; /* Slate-wine secondary */
    --secondary-foreground: #fafafa;
    
    --muted: #1d1517;
    --muted-foreground: #9a8b8d; /* Warm gray-burgundy */
    
    --accent: #2c2022;
    --accent-foreground: #fafafa;
    
    --success: #10b981;
    --error: #f43f5e;
    
    --radius: 8px;
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-sans);
}

body {
    background-color: var(--bg);
    background-image: 
        radial-gradient(circle at top center, rgba(39, 39, 42, 0.15) 0%, transparent 80%),
        radial-gradient(circle at 10% 20%, rgba(24, 24, 27, 0.3) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--card-foreground);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #09090b;
}
::-webkit-scrollbar-thumb {
    background: #27272a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #3f3f46;
}

header {
    width: 100%;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
    background-color: rgba(9, 9, 11, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-container img {
    height: 22px;
    width: auto;
}

.logo-text {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.03em;
    color: var(--primary);
    text-transform: lowercase;
}

.nav-links {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* Shadcn Button Styles */
.btn {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
    border: 1px solid var(--primary);
}

.btn-primary:hover {
    background-color: #e4e4e7;
    border-color: #e4e4e7;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--secondary-foreground);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: #27272a;
    border-color: #3f3f46;
}

.btn-danger {
    background-color: transparent;
    color: #f43f5e;
    border: 1px solid rgba(244, 63, 94, 0.2);
}

.btn-danger:hover {
    background-color: rgba(244, 63, 94, 0.08);
    border-color: rgba(244, 63, 94, 0.4);
}

main {
    flex: 1;
    padding: 4rem 1.5rem;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
}

/* Hero Title Styles */
.hero-section {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.hero-section h1 {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary);
}

.hero-section p.subtitle {
    font-size: 1.05rem;
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Shadcn Card Style */
.glass-card {
    background-color: rgba(24, 24, 27, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.25rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

h3 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--primary);
}

/* User Grid */
.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.75rem;
}

.user-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: rgba(24, 24, 27, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
}

.user-card:hover {
    border-color: #3f3f46;
    background-color: rgba(24, 24, 27, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.user-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: #27272a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    border: 1px solid var(--border);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.3);
}

.user-meta h3 {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.user-meta span {
    font-size: 0.8rem;
    color: var(--muted-foreground);
    font-family: monospace;
}

.user-card-body {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.user-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 1.25rem;
    margin-top: auto;
}

.timezone-badge {
    font-size: 0.8rem;
    color: var(--muted-foreground);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: #18181b;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--border);
}

/* Form inputs styling - Shadcn Style */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary);
    letter-spacing: -0.01em;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background-color: rgba(9, 9, 11, 0.8);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--primary);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 2px rgba(151, 25, 44, 0.15);
}

.form-control::placeholder {
    color: #52525b;
}

textarea.form-control {
    min-height: 110px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23fafafa'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

/* Scheduler / Booking View Layout */
.booking-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

@media(min-width: 800px) {
    .booking-container {
        grid-template-columns: 320px 1fr;
    }
}

.host-sidebar {
    border-right: none;
    padding-right: 0;
    display: flex;
    flex-direction: column;
}

@media(min-width: 800px) {
    .host-sidebar {
        border-right: 1px solid var(--border);
        padding-right: 2.5rem;
    }
}

/* Calendar components - Shadcn design */
.calendar-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.35rem;
    text-align: center;
}

.calendar-day-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--muted-foreground);
    padding: 0.5rem 0;
    text-transform: uppercase;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
    color: var(--primary);
}

.calendar-day:hover:not(.disabled) {
    background-color: var(--secondary);
    border-color: var(--border);
}

.calendar-day.active {
    background-color: var(--brand);
    color: var(--primary);
    border-color: var(--brand);
    font-weight: 700;
}

.calendar-day.disabled {
    color: #3f3f46; /* Zinc 700 */
    cursor: not-allowed;
    opacity: 0.35;
}

.calendar-day.today {
    border-color: #52525b;
    background-color: rgba(255, 255, 255, 0.03);
}

/* Time slots selection */
.slots-container {
    margin-top: 1.5rem;
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
    gap: 0.5rem;
    margin-top: 1rem;
}

.slot-btn {
    padding: 0.65rem 0.5rem;
    background-color: var(--secondary);
    border: 1px solid var(--border);
    color: var(--primary);
    text-align: center;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    font-size: 0.8125rem;
}

.slot-btn:hover {
    background-color: #27272a;
    border-color: #3f3f46;
}

.slot-btn.selected {
    background-color: var(--brand);
    color: var(--primary);
    border-color: var(--brand);
}

/* Availability setup in dashboard */
.availability-toolbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.avail-action-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted-foreground);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius);
    font-size: 0.775rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.avail-action-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(255,255,255,0.04);
}

.day-availability-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    gap: 1rem;
    transition: background 0.15s ease;
    margin-bottom: 0.35rem;
    border: 1px solid transparent;
}

.day-availability-row:hover {
    background: rgba(255, 255, 255, 0.02);
    border-color: var(--border);
}

.day-availability-row.day-disabled {
    opacity: 0.35;
}

.day-availability-row.day-disabled .time-slots-inputs {
    pointer-events: none;
}

.day-info {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    min-width: 130px;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: #27272a;
    border-radius: 20px;
    transition: 0.2s ease;
    border: 1px solid var(--border);
}

.toggle-slider:before {
    content: '';
    position: absolute;
    height: 12px;
    width: 12px;
    left: 3px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #52525b;
    border-radius: 50%;
    transition: 0.2s ease;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--brand);
    border-color: var(--brand);
}

.toggle-switch input:checked + .toggle-slider:before {
    background-color: var(--primary-foreground);
    left: calc(100% - 15px);
}

.time-slots-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: flex-end;
}

.time-input {
    width: 90px;
    padding: 0.4rem 0.5rem;
    background: rgba(9, 9, 11, 0.8);
    border: 1px solid var(--border);
    color: var(--primary);
    border-radius: var(--radius);
    text-align: center;
    font-size: 0.8125rem;
    font-family: var(--font-sans);
    transition: border-color 0.15s ease;
}

.time-input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 2px rgba(151, 25, 44, 0.15);
}

.time-input:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.copy-row-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--muted-foreground);
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-family: var(--font-sans);
    opacity: 0;
    pointer-events: none;
}

.day-availability-row:hover .copy-row-btn:not(:disabled) {
    opacity: 1;
    pointer-events: all;
}

.copy-row-btn:hover {
    color: var(--primary);
    border-color: var(--border);
    background: rgba(255,255,255,0.04);
}

footer {
    padding: 3rem 0;
    text-align: center;
    font-size: 0.8rem;
    color: var(--muted-foreground);
    border-top: 1px solid var(--border);
    margin-top: 4rem;
}

/* Elegant Empty State Card */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    background-color: rgba(24, 24, 27, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--muted-foreground);
    opacity: 0.6;
}

.empty-state h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--muted-foreground);
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto 1.5rem auto;
}

.success-container {
    text-align: center;
    padding: 3rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem auto;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    width: 100%;
    max-width: 500px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    animation: modalSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Floating Action Bar */
.floating-bar {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    background: rgba(24, 24, 27, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    padding: 0.85rem 1.75rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 100;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
    opacity: 0;
}
.floating-bar.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ── Responsive: Mobile (≤600px) ───────────────────── */
@media (max-width: 600px) {
    .container { padding: 0 1rem; }

    /* Availability rows stack on mobile */
    .day-availability-row {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.65rem 0.75rem;
    }

    .day-info { min-width: unset; flex: 1; }

    .time-slots-inputs {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    /* Always show copy button on touch (no hover) */
    .copy-row-btn {
        opacity: 1 !important;
        pointer-events: all !important;
        font-size: 0.65rem;
        padding: 0.2rem 0.4rem;
    }

    .availability-toolbar { gap: 0.4rem; }
    .avail-action-btn { font-size: 0.7rem; padding: 0.25rem 0.6rem; }

    /* Dashboard sidebar stacks on mobile */
    .dashboard-layout {
        flex-direction: column !important;
    }

    /* Book page: slot buttons fill width */
    .slots-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    /* Booking modal full width */
    .modal-box {
        width: 95vw !important;
        padding: 1.25rem !important;
    }
}

/* ── Responsive: Tablet (601px–900px) ──────────────── */
@media (min-width: 601px) and (max-width: 900px) {
    .slots-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }

    .copy-row-btn {
        opacity: 1 !important;
        pointer-events: all !important;
    }
}

/* ── Animations & Transitions (Jakub Krehel & Emil Kowalski Principles) ── */
@keyframes enter {
    from {
        opacity: 0;
        transform: translateY(8px);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0px);
    }
}

.user-card, .glass-card, .calcom-card, .dashboard-container, .hero-section {
    animation: enter 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-delay: 0s !important;
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
    .user-card, .glass-card, .calcom-card, .dashboard-container, .hero-section {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
    }
}