/* brand.css — Single source of truth for the app's visual identity.
   To reskin: change the token values below. Everything downstream updates. */

/* ==================== */
/*  Brand Tokens        */
/* ==================== */

:root {
    /* Surface */
    --brand-bg: #121212;
    --brand-surface: #1a1a1a;
    --brand-surface-raised: #222222;

    /* Accent */
    --brand-accent: #FFF310;
    --brand-accent-hover: rgba(255, 243, 16, 0.9);
    --brand-accent-faint: rgba(255, 243, 16, 0.1);
    --brand-accent-tint: rgba(255, 243, 16, 0.3);

    /* Secondary */
    --brand-secondary: #AAA99D;
    --brand-secondary-hover: #9a998e;

    /* Text */
    --brand-text: #F5F5F7;
    --brand-text-muted: #F5F5F7;
    --brand-text-faint: #888888;
    --brand-text-inverse: #000000;

    /* System */
    --brand-border: #333333;
    --brand-border-light: #2a2a2a;
    --brand-error: #ef4444;
    --brand-success: #22C55E;
    --brand-warning: #F59E0B;

    /* Shadows */
    --brand-shadow-sm: none;
    --brand-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --brand-shadow-lg: 0 4px 14px rgba(0, 0, 0, 0.3);

    /* Radius */
    --brand-radius-sm: 8px;
    --brand-radius-md: 12px;
    --brand-radius-lg: 16px;
    --brand-radius-full: 9999px;

    /* Fonts */
    --brand-font-body: 'Satoshi', sans-serif;
    --brand-font-display: 'Satoshi', sans-serif;
}

/* ==================== */
/*  Type Scale          */
/* ==================== */

.brand-type-display  { font-size: 48px; font-weight: 900; }
.brand-type-title    { font-size: 33px; font-weight: 900; }
.brand-type-subtitle { font-size: 24px; font-weight: 900; }
.brand-type-heading  { font-size: 17px; font-weight: 700; }
.brand-type-body-sm  { font-size: 14px; }
.brand-type-caption  { font-size: 14px; }

/* ==================== */
/*  Shared Components   */
/* ==================== */

/* Base button reset */
.brand-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-family: var(--brand-font-display);
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--brand-radius-sm);
    border: none;
    cursor: pointer;
    transition: background-color 0.15s, opacity 0.15s, transform 0.1s;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}
.brand-btn:focus-visible {
    box-shadow: 0 0 0 2px var(--brand-surface), 0 0 0 4px var(--brand-accent);
}
.brand-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.brand-btn:active:not(:disabled) {
    transform: scale(0.97);
}

/* Primary button — yellow pill, black text */
.brand-btn-primary {
    background-color: var(--brand-accent);
    color: var(--brand-text-inverse);
}
.brand-btn-primary:hover:not(:disabled) {
    background-color: var(--brand-accent-hover);
}

/* Compact primary button */
.brand-btn-primary-sm {
    background-color: var(--brand-accent);
    color: var(--brand-text-inverse);
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}
.brand-btn-primary-sm:hover:not(:disabled) {
    background-color: var(--brand-accent-hover);
}

/* Secondary button — transparent, border, muted text */
.brand-btn-secondary {
    background-color: transparent;
    color: var(--brand-text-muted);
    border: 1px solid var(--brand-border);
}
.brand-btn-secondary:hover:not(:disabled) {
    background-color: var(--brand-surface-raised);
}

/* Outline button — transparent background, border */
.brand-btn-outline {
    background-color: transparent;
    color: var(--brand-text);
    border: 1px solid var(--brand-border);
}
.brand-btn-outline:hover:not(:disabled) {
    background-color: var(--brand-accent-tint);
}

/* Ghost button — no border, subtle hover */
.brand-btn-ghost {
    background-color: transparent;
    color: var(--brand-text-muted);
}
.brand-btn-ghost:hover:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Icon-only button */
.brand-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--brand-radius-full);
    border: none;
    background: transparent;
    color: var(--brand-text-muted);
    cursor: pointer;
    transition: background-color 0.15s;
}
.brand-icon-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Form input */
.brand-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--brand-border);
    border-radius: var(--brand-radius-sm);
    font-family: var(--brand-font-body);
    font-size: 0.875rem;
    color: var(--brand-text);
    background-color: var(--brand-surface);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.brand-input:focus {
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 2px var(--brand-accent-faint);
}
.brand-input::placeholder {
    color: var(--brand-text-faint);
}

/* Form select */
.brand-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--brand-border);
    border-radius: var(--brand-radius-sm);
    font-family: var(--brand-font-body);
    font-size: 0.875rem;
    color: var(--brand-text);
    background-color: var(--brand-surface);
    outline: none;
    appearance: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.brand-select:focus {
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 2px var(--brand-accent-faint);
}

/* Layout */
.brand-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Loading spinner */
.brand-spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid var(--brand-border);
    border-top-color: var(--brand-accent);
    border-radius: 50%;
    animation: brand-spin 0.6s linear infinite;
}
.brand-spinner-lg {
    width: 3rem;
    height: 3rem;
    border-width: 4px;
}

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

/* Overlays */
.brand-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 50;
}
.brand-modal {
    background-color: var(--brand-surface-raised);
    border-radius: var(--brand-radius-lg);
    box-shadow: var(--brand-shadow-lg);
}
.brand-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--brand-surface-raised);
    border-radius: var(--brand-radius-lg) var(--brand-radius-lg) 0 0;
    z-index: 50;
}
.brand-drawer-handle {
    width: 3rem;
    height: 0.25rem;
    background: var(--brand-border);
    border-radius: var(--brand-radius-full);
    margin: 0.75rem auto 0.5rem;
}

/* Chips & Pills */
.brand-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--brand-border);
    border-radius: var(--brand-radius-full);
    font-size: 0.8125rem;
    color: var(--brand-text-muted);
    background: transparent;
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
}
.brand-chip.active,
.brand-chip:hover {
    border-color: var(--brand-accent);
    color: var(--brand-accent);
    background: var(--brand-accent-faint);
}

/* Empty state */
.brand-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
    color: var(--brand-text-faint);
}