/* ===== Only Mouth — Base Theme ===== */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --bg-card: rgba(255,255,255,0.03);
    --bg-card-hover: rgba(255,255,255,0.06);

    --accent: #14b8a6;
    --accent-dim: rgba(20,184,166,0.15);
    --accent-glow: rgba(20,184,166,0.25);
    --accent-border: rgba(20,184,166,0.3);

    --gold: #d4a853;
    --gold-light: #e8c878;
    --gold-dim: rgba(212,168,83,0.15);
    --gold-glow: rgba(212,168,83,0.25);
    --gold-border: rgba(212,168,83,0.3);

    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #555568;

    --success: #22c55e;
    --success-dim: rgba(34,197,94,0.15);
    --danger: #ef4444;
    --danger-dim: rgba(239,68,68,0.15);
    --warning: #f59e0b;
    --warning-dim: rgba(245,158,11,0.15);
    --info: #3b82f6;
    --info-dim: rgba(59,130,246,0.15);

    --border: rgba(255,255,255,0.08);
    --border-hover: rgba(255,255,255,0.14);
    --glass-blur: blur(20px);

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow: 0 2px 8px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

    --topbar-height: 56px;
    --bottomnav-height: 64px;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ===== Reset ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover { color: var(--gold); }

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

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* ===== Screens ===== */
.screen {
    display: none;
    width: 100%;
    min-height: 100vh;
}
.screen.active {
    display: flex;
}

/* ===== Loading Screen ===== */
#loading-screen {
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: var(--bg-primary);
}

.om-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.om-loading p {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.om-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--accent-dim);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: om-spin 0.8s linear infinite;
}

@keyframes om-spin {
    to { transform: rotate(360deg); }
}

/* ===== Auth Screen ===== */
#auth-screen {
    background: var(--bg-primary);
    align-items: center;
    justify-content: center;
}

.om-auth {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2.5rem 2rem;
    max-width: 360px;
    width: 100%;
    text-align: center;
}

.om-auth > i.fas {
    font-size: 3rem;
    color: var(--accent);
    filter: drop-shadow(0 0 20px var(--accent-glow));
    margin-bottom: 0.5rem;
}

.om-auth h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.om-auth > p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: -0.25rem;
}

.om-google-btn {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.875rem 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    max-width: 280px;
    justify-content: center;
    margin-top: 0.5rem;
    min-height: 52px;
}

.om-google-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-border);
    box-shadow: 0 4px 20px var(--accent-glow);
}

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

.om-auth-note {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* ===== Buttons ===== */
.om-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    outline: none;
}

.om-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.om-btn-primary {
    background: linear-gradient(135deg, var(--accent), #0d9488);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.om-btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #1dd4c0, var(--accent));
    box-shadow: 0 6px 20px var(--accent-glow);
}

.om-btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text-secondary);
}

.om-btn-outline:hover:not(:disabled) {
    border-color: var(--accent-border);
    color: var(--accent);
    background: var(--accent-dim);
}

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

.om-btn-danger:hover:not(:disabled) {
    background: #dc2626;
    box-shadow: 0 4px 12px rgba(239,68,68,0.3);
}

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

.om-btn-ghost:hover:not(:disabled) {
    background: var(--bg-card);
    color: var(--text-primary);
}

.om-btn-sm {
    padding: 0.4rem 0.875rem;
    font-size: 0.8rem;
}

.om-btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.om-btn-full {
    width: 100%;
}

/* ===== Forms ===== */
.om-form-group {
    margin-bottom: 1.125rem;
}

.om-form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.om-input,
.om-select,
.om-textarea {
    width: 100%;
    padding: 0.6875rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font);
    outline: none;
    transition: var(--transition-fast);
    -webkit-appearance: none;
}

.om-input:focus,
.om-select:focus,
.om-textarea:focus {
    border-color: var(--accent-border);
    box-shadow: 0 0 0 2px var(--accent-dim);
}

.om-input::placeholder,
.om-textarea::placeholder {
    color: var(--text-muted);
}

.om-textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

.om-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
    cursor: pointer;
}

/* ===== Toast ===== */
.om-toast-container {
    position: fixed;
    top: calc(1rem + var(--safe-top));
    right: 1rem;
    left: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
    max-width: 420px;
    margin: 0 auto;
}

.om-toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1rem;
    background: var(--bg-secondary);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    transform: translateY(-8px);
    opacity: 0;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
    pointer-events: all;
}

.om-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.om-toast span { flex: 1; }

.om-toast-success { border-left: 3px solid var(--success); }
.om-toast-success i { color: var(--success); }
.om-toast-error { border-left: 3px solid var(--danger); }
.om-toast-error i { color: var(--danger); }
.om-toast-info { border-left: 3px solid var(--info); }
.om-toast-info i { color: var(--info); }
.om-toast-warning { border-left: 3px solid var(--warning); }
.om-toast-warning i { color: var(--warning); }

.om-toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    font-size: 0.75rem;
    flex-shrink: 0;
    line-height: 1;
}

.om-toast-close:hover { color: var(--text-primary); }

/* ===== Modal ===== */
.om-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.om-modal-overlay.show {
    opacity: 1;
}

.om-modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(8px);
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.om-modal-overlay.show .om-modal-content {
    transform: scale(1) translateY(0);
}

.om-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.om-modal-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.om-modal-body {
    padding: 1.5rem;
}

.om-modal-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.om-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

/* ===== Bottom Sheet ===== */
.om-sheet-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.om-sheet-overlay.show {
    opacity: 1;
}

.om-sheet-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    padding-bottom: var(--safe-bottom);
    transform: translateY(100%);
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.om-sheet-overlay.show .om-sheet-content {
    transform: translateY(0);
}

/* ===== Card ===== */
.om-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    transition: var(--transition-fast);
}

.om-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

/* ===== Utility ===== */
.om-text-accent { color: var(--accent); }
.om-text-gold { color: var(--gold); }
.om-text-muted { color: var(--text-muted); }
.om-text-secondary { color: var(--text-secondary); }
.om-text-danger { color: var(--danger); }
.om-text-success { color: var(--success); }

.om-divider {
    height: 1px;
    background: var(--border);
    margin: 1rem 0;
}

.om-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.om-flex { display: flex; align-items: center; }
.om-flex-col { display: flex; flex-direction: column; }
.om-gap-1 { gap: 0.25rem; }
.om-gap-2 { gap: 0.5rem; }
.om-gap-3 { gap: 0.75rem; }
.om-gap-4 { gap: 1rem; }
.om-justify-between { justify-content: space-between; }
.om-justify-center { justify-content: center; }

.om-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    gap: 0.75rem;
    color: var(--text-muted);
    text-align: center;
}

.om-empty i {
    font-size: 2.5rem;
    opacity: 0.3;
}

.om-empty p {
    font-size: 0.875rem;
}

/* ===== Section label ===== */
.om-section-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 0.75rem;
}

/* ===== Inline spinner ===== */
.om-inline-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.2);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: om-spin 0.7s linear infinite;
    vertical-align: middle;
}

/* ===== Unprefixed aliases (used in modals/forms generated by JS) ===== */

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}
.modal-body {
    padding: 1.25rem 1.5rem;
}
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.65rem 0.875rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius, 10px);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
    -webkit-appearance: none;
    box-sizing: border-box;
}
.form-input:focus,
.form-select:focus {
    border-color: rgba(20,184,166,0.5);
    box-shadow: 0 0 0 2px rgba(20,184,166,0.1);
}
.form-input::placeholder {
    color: var(--text-muted, #555);
}
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
    cursor: pointer;
}

.btn,
.om-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.125rem;
    border-radius: var(--radius, 10px);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
}
.btn-primary {
    background: var(--accent, #14b8a6);
    color: #fff;
    border-color: transparent;
}
.btn-primary:hover {
    filter: brightness(1.1);
}
.btn-outline {
    background: transparent;
    color: var(--text-secondary, #888);
    border-color: var(--border, rgba(255,255,255,0.08));
}
.btn-outline:hover {
    border-color: var(--accent-border, rgba(20,184,166,0.3));
    color: var(--text-primary, #fff);
}
.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary, #888);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-icon:hover {
    color: var(--text-primary, #fff);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255,255,255,0.15);
    border-top-color: var(--accent, #14b8a6);
    border-radius: 50%;
    animation: om-spin 0.7s linear infinite;
    margin: 0 auto;
}