/* ==========================================================================
   DeepMatch — Editorial / Shuffle-inspired design system
   Light ("white") is the default; the dark ("black") variant keeps the
   original Midnight Romance palette via [data-theme="dark"].
   Fonts: Playfair Display (headings), DM Sans (body).
   Palette: warm stone neutrals + rose accent (amber for stars).
   ========================================================================== */

:root {
    /* Surfaces */
    --bg: #FAFAF9;
    --surface: #FFFFFF;
    --surface-elevated: #FFFFFF;
    --surface-hover: #F5F5F4;

    /* Lines */
    --border: #E7E5E4;
    --border-hover: #D6D3D1;

    /* Text */
    --text: #1C1917;
    --text-muted: #57534E;
    --text-inactive: #A8A29E;

    /* Brand */
    --primary: #F43F5E;
    --primary-hover: #E11D48;
    --primary-strong: #BE123C;
    --primary-soft: rgba(244, 63, 94, 0.10);
    --border-focus: rgba(244, 63, 94, 0.5);

    --accent: #F43F5E;
    --accent-hover: #E11D48;
    --accent-strong: #BE123C;
    --accent-soft: rgba(244, 63, 94, 0.10);
    --accent-wine-light: #FB7185;

    --gradient-brand: linear-gradient(135deg, #F43F5E 0%, #FB7185 100%);
    --gradient-brand-soft: linear-gradient(135deg, rgba(244, 63, 94, 0.14) 0%, rgba(251, 113, 133, 0.14) 100%);
    --btn-glow: rgba(244, 63, 94, 0.28);
    --btn-accent-glow: rgba(244, 63, 94, 0.3);

    /* Hero / landing */
    --hero-bg: linear-gradient(165deg, #FEF2F2 0%, #FAFAF9 55%, #FFFBEB 100%);
    --hero-glow-a: rgba(244, 63, 94, 0.16);
    --hero-glow-b: rgba(251, 191, 36, 0.14);
    --hero-ring: rgba(244, 63, 94, 0.18);
    --cta-bg: #1C1917;
    --cta-text: #FFFFFF;
    --cta-muted: #A8A29E;
    --cta-border: rgba(255, 255, 255, 0.2);

    /* Status */
    --success: #10B981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --warning: #D97706;
    --warning-bg: rgba(245, 158, 11, 0.14);
    --danger: #EF4444;
    --danger-bg: rgba(239, 68, 68, 0.12);

    /* Shape */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-full: 999px;

    /* Elevation */
    --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.08);
    --shadow-md: 0 10px 30px rgba(28, 25, 23, 0.1);
    --shadow-lg: 0 24px 60px rgba(28, 25, 23, 0.14);
    --shadow-xl: 0 32px 80px rgba(28, 25, 23, 0.18);

    /* Glass (modals, overlays, floating controls only) */
    --glass-bg: rgba(255, 255, 255, 0.82);
    --glass-bg-strong: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(28, 25, 23, 0.08);
    --blur: blur(18px);

    /* Onboarding wizard card (light glass) */
    --onboarding-card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(250, 250, 249, 0.97));

    --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Surfaces */
    --bg: #090A10;
    --surface: #141620;
    --surface-elevated: #1B1D29;
    --surface-hover: #232635;

    /* Lines */
    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.14);

    /* Text */
    --text: #FAFAFA;
    --text-muted: #A1A1AA;
    --text-inactive: #5F5F6B;

    /* Brand */
    --primary: #8B5CF6;
    --primary-hover: #A78BFA;
    --primary-strong: #7C3AED;
    --primary-soft: rgba(139, 92, 246, 0.12);
    --border-focus: rgba(139, 92, 246, 0.5);

    --accent: #EC4899;
    --accent-hover: #F472B6;
    --accent-strong: #DB2777;
    --accent-soft: rgba(236, 72, 153, 0.12);
    --accent-wine-light: #BE185D;

    --gradient-brand: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
    --gradient-brand-soft: linear-gradient(135deg, rgba(139, 92, 246, 0.16) 0%, rgba(236, 72, 153, 0.16) 100%);
    --btn-glow: rgba(139, 92, 246, 0.28);
    --btn-accent-glow: rgba(236, 72, 153, 0.3);

    /* Hero / landing */
    --hero-bg: linear-gradient(160deg, #0E1019 0%, #090A10 70%);
    --hero-glow-a: rgba(139, 92, 246, 0.28);
    --hero-glow-b: rgba(236, 72, 153, 0.2);
    --hero-ring: rgba(139, 92, 246, 0.22);
    --cta-bg: #141620;
    --cta-text: #FAFAFA;
    --cta-muted: #A1A1AA;
    --cta-border: rgba(255, 255, 255, 0.2);

    /* Status */
    --success: #34D399;
    --success-bg: rgba(52, 211, 153, 0.12);
    --warning: #FBBF24;
    --warning-bg: rgba(251, 191, 36, 0.12);
    --danger: #F87171;
    --danger-bg: rgba(248, 113, 113, 0.12);

    /* Elevation */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);
    --shadow-xl: 0 32px 80px rgba(0, 0, 0, 0.65);

    /* Glass */
    --glass-bg: rgba(20, 22, 32, 0.82);
    --glass-bg-strong: rgba(18, 19, 28, 0.94);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Onboarding wizard card (dark glass) */
    --onboarding-card-bg: linear-gradient(180deg, rgba(27, 29, 41, 0.92), rgba(20, 22, 32, 0.96));
}

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

html {
    height: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    min-height: 100dvh;
    font-family: "DM Sans", "Segoe UI", system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    background: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.logo-font,
.section-title,
.card-title,
.celebration-title,
.auth-hero-title,
.auth-title,
.home-hero-title,
.home-feature-title,
.home-section-title,
.home-cta-title,
.home-stat-value {
    font-family: "Playfair Display", Georgia, "Times New Roman", serif;
    letter-spacing: -0.01em;
}

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

    a:hover {
        color: var(--primary-hover);
    }

button {
    font-family: inherit;
    cursor: pointer;
}

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

::selection {
    background: var(--primary-soft);
    color: var(--text);
}

:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--surface-hover);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg);
}

    ::-webkit-scrollbar-thumb:hover {
        background: var(--text-inactive);
    }

::-webkit-scrollbar-track {
    background: transparent;
}

/* ------------------------- Buttons ------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    line-height: 1.2;
    white-space: nowrap;
    transition: var(--transition);
    user-select: none;
}

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

    .btn:disabled {
        opacity: 0.5;
        pointer-events: none;
    }

    .btn .btn-icon {
        display: inline-flex;
        font-size: 16px;
        line-height: 1;
    }

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 20px var(--btn-glow);
}

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

.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 6px 20px var(--btn-accent-glow);
}

    .btn-accent:hover {
        background: var(--accent-hover);
        color: #fff;
    }

.btn-secondary {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

    .btn-secondary:hover {
        background: var(--surface-hover);
        border-color: var(--border-hover);
        color: var(--text);
    }

.btn-accent-subtle {
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid rgba(236, 72, 153, 0.25);
}

    .btn-accent-subtle:hover {
        background: rgba(236, 72, 153, 0.2);
        color: var(--accent-hover);
    }

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

    .btn-danger:hover {
        filter: brightness(1.08);
        color: #fff;
    }

.btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-muted);
}

    .btn-ghost:hover {
        color: var(--text);
        border-color: var(--border-hover);
        background: var(--surface-elevated);
    }

.btn-block {
    width: 100%;
}

.btn-sm {
    min-height: 38px;
    padding: 7px 16px;
    font-size: 13px;
}

.btn-lg {
    min-height: 54px;
    padding: 13px 26px;
    font-size: 16px;
}

/* ------------------------- Icon buttons ------------------------- */
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    min-height: 42px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    font-size: 18px;
    line-height: 1;
    transition: var(--transition);
    flex-shrink: 0;
}

    .icon-btn:hover {
        color: var(--text);
        border-color: var(--border-hover);
        background: var(--surface-hover);
    }

    .icon-btn.active {
        color: var(--primary);
        border-color: var(--border-focus);
        background: var(--primary-soft);
    }

.icon-btn-accent {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: rgba(236, 72, 153, 0.25);
}

    .icon-btn-accent:hover {
        color: var(--accent-hover);
        background: rgba(236, 72, 153, 0.2);
    }

/* ------------------------- Inputs / forms ------------------------- */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="url"],
select,
textarea {
    width: 100%;
    min-height: 46px;
    padding: 11px 14px;
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

    input::placeholder,
    textarea::placeholder {
        color: var(--text-inactive);
    }

    input:focus,
    select:focus,
    textarea:focus {
        outline: none;
        border-color: var(--border-focus);
        box-shadow: 0 0 0 3px var(--primary-soft);
        background: var(--surface-elevated);
    }

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235F5F6B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l8 8 8-8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
    cursor: pointer;
}

    select option {
        background: var(--surface-elevated);
        color: var(--text);
    }

textarea {
    min-height: 96px;
    resize: vertical;
    line-height: 1.5;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--surface-hover);
    outline: none;
    accent-color: var(--primary);
}

    input[type="range"]::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--primary);
        border: 3px solid var(--bg);
        box-shadow: var(--shadow-sm);
        cursor: pointer;
    }

input[type="checkbox"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.pronouns-custom-group {
    animation: pronounsReveal 0.25s ease;
}

@keyframes pronounsReveal {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .pronouns-custom-group {
        animation: none;
    }
}

.form-hint {
    font-size: 12px;
    color: var(--text-inactive);
    line-height: 1.5;
}

.form-error {
    font-size: 13px;
    color: var(--danger);
    line-height: 1.4;
}

.upload-hint {
    font-size: 13px;
    color: var(--text-muted);
}

/* ------------------------- Text utilities ------------------------- */
.text-muted {
    color: var(--text-muted);
}

.text-inactive {
    color: var(--text-inactive);
}

.text-accent {
    color: var(--accent);
}

.text-primary {
    color: var(--primary);
}

.text-danger {
    color: var(--danger);
}

.text-success {
    color: var(--success);
}

/* ------------------------- Badges & pills ------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: var(--primary-soft);
    color: var(--primary);
}

.badge-verified {
    background: var(--success-bg);
    color: var(--success);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ------------------------- Toast ------------------------- */
#toast {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%) translateY(-12px);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 20000;
    width: min(440px, calc(100vw - 32px));
    padding: 14px 16px;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0.25s;
    pointer-events: none;
}

    #toast.show {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
    }

.toast-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    font-size: 13px;
    flex-shrink: 0;
}

#toast.success .toast-icon {
    background: var(--success-bg);
    color: var(--success);
}

#toast.danger .toast-icon {
    background: var(--danger-bg);
    color: var(--danger);
}

#toast.warning .toast-icon {
    background: var(--warning-bg);
    color: var(--warning);
}

#toast.info .toast-icon {
    background: var(--primary-soft);
    color: var(--primary);
}

/* ------------------------- Shared animations ------------------------- */
@keyframes fadeInOnboard {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeInOnboard 0.4s ease forwards;
}

/* ------------------------- Responsive base ------------------------- */
@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    .btn {
        min-height: 48px;
    }

    .icon-btn {
        width: 44px;
        height: 44px;
        min-height: 44px;
    }

    #toast {
        top: 12px;
        width: calc(100vw - 24px);
    }
}

/* ------------------------- Theme switch ------------------------- */
.theme-toggle {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 12000;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 6px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

    .theme-toggle:hover {
        color: var(--text);
        border-color: var(--border-hover);
        box-shadow: var(--shadow-md);
    }

body.app-shell .theme-toggle {
    display: none;
}

body.no-fixed-toggle .theme-toggle {
    display: none;
}

.theme-toggle-track {
    position: relative;
    width: 40px;
    height: 22px;
    border-radius: var(--radius-full);
    background: var(--surface-hover);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.theme-toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] .theme-toggle-thumb {
    transform: translateX(18px);
}

.theme-icon {
    flex-shrink: 0;
    color: var(--text-muted);
}

[data-theme="dark"] .theme-icon-sun {
    display: block;
}

[data-theme="dark"] .theme-icon-moon {
    display: none;
}

.theme-icon-sun {
    display: none;
}

.theme-icon-moon {
    display: block;
}

/* Smooth theme transitions */
html.theme-animating,
html.theme-animating *,
html.theme-animating *::before,
html.theme-animating *::after {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
}