/* ============================================================
   Rate Master AI — Brand Design Tokens
   ============================================================ */
:root {
    /* Primary palette */
    --rm-blue-50:  #eff6ff;
    --rm-blue-100: #dbeafe;
    --rm-blue-200: #bfdbfe;
    --rm-blue-500: #3b82f6;
    --rm-blue-600: #2563eb;
    --rm-blue-700: #1d4ed8;
    --rm-blue-800: #1e40af;
    --rm-blue-900: #1e3a8a;
    /* Accent */
    --rm-gold:      #f59e0b;
    --rm-gold-light:#fef3c7;
    /* Neutral */
    --rm-slate-50:  #f8fafc;
    --rm-slate-100: #f1f5f9;
    --rm-slate-200: #e2e8f0;
    --rm-slate-400: #94a3b8;
    --rm-slate-500: #64748b;
    --rm-slate-600: #475569;
    --rm-slate-700: #334155;
    --rm-slate-800: #1e293b;
    --rm-slate-900: #0f172a;
    /* Semantic */
    --rm-success:   #10b981;
    --rm-danger:    #ef4444;
    --rm-radius-sm: 8px;
    --rm-radius:    12px;
    --rm-radius-lg: 20px;
    --rm-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --rm-shadow:    0 4px 20px rgba(0,0,0,0.08);
    --rm-shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
    --rm-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   Skeleton Loading
   ============================================================ */
@keyframes shimmer { 0%{background-position:-200% 0} 100%{background-position:200% 0} }
.skeleton {
    background: linear-gradient(90deg, var(--rm-slate-100) 25%, var(--rm-slate-200) 50%, var(--rm-slate-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--rm-radius-sm);
}

/* ============================================================
   Scroll Animations
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================================
   Dashboard Shared Styles
   ============================================================ */
.dash-card {
    background: #fff;
    border-radius: var(--rm-radius);
    box-shadow: var(--rm-shadow);
    padding: 24px;
    transition: box-shadow var(--rm-transition);
}
.dash-card:hover { box-shadow: var(--rm-shadow-lg); }

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--rm-slate-800);
    line-height: 1.1;
}
.stat-label {
    font-size: 13px;
    color: var(--rm-slate-500);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.stat-change { font-size: 13px; font-weight: 600; }
.stat-change.up   { color: var(--rm-success); }
.stat-change.down { color: var(--rm-danger); }

/* Inputs */
.dash-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--rm-slate-200);
    border-radius: var(--rm-radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: border-color var(--rm-transition), box-shadow var(--rm-transition);
    box-sizing: border-box;
}
.dash-input:focus {
    outline: none;
    border-color: var(--rm-blue-500);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

/* Buttons */
.btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--rm-blue-600), var(--rm-blue-700));
    color: #fff;
    border: none; border-radius: var(--rm-radius-sm);
    font-size: 15px; font-weight: 600; font-family: inherit;
    cursor: pointer;
    transition: transform var(--rm-transition), box-shadow var(--rm-transition), opacity var(--rm-transition);
}
.btn-primary:hover  { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,0.35); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-outline {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 24px;
    background: transparent;
    border: 2px solid var(--rm-slate-200);
    border-radius: var(--rm-radius-sm);
    color: var(--rm-slate-700);
    font-size: 14px; font-weight: 500; font-family: inherit;
    cursor: pointer;
    transition: all var(--rm-transition);
}
.btn-outline:hover { border-color: var(--rm-blue-500); color: var(--rm-blue-600); }

.btn-danger {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 24px;
    background: var(--rm-danger);
    color: #fff;
    border: none; border-radius: var(--rm-radius-sm);
    font-size: 14px; font-weight: 500; font-family: inherit;
    cursor: pointer;
    transition: opacity var(--rm-transition);
}
.btn-danger:hover { opacity: 0.85; }

/* Message */
.msg { padding: 12px 16px; border-radius: var(--rm-radius-sm); font-size: 13px; margin-bottom: 16px; display: none; }
.msg.success { background: #d1fae5; color: #065f46; display: block; }
.msg.error   { background: #fee2e2; color: #991b1b; display: block; }

/* Spinner */
.spinner {
    width: 20px; height: 20px;
    border: 2.5px solid var(--rm-slate-200);
    border-top-color: var(--rm-blue-600);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }