/**
 * AI Sales Platform - Design System
 * Calm Authority aesthetic (Stripe/Shopify style)
 */

/* ============================================
   FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================
   CSS VARIABLES - LIGHT MODE (DEFAULT)
   ============================================ */
:root {
    /* Primary Colors */
    --primary: #3B82F6;
    --primary-hover: #2563EB;
    --primary-light: #DBEAFE;
    --primary-50: #EFF6FF;
    --primary-100: #DBEAFE;
    --primary-200: #BFDBFE;
    --primary-500: #3B82F6;
    --primary-600: #2563EB;
    --primary-700: #1D4ED8;

    /* Background Colors */
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F1F5F9;
    --bg-elevated: #FFFFFF;
    --bg-hover: #E2E8F0;
    --bg-active: #DBEAFE;

    /* Text Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #94A3B8;
    --text-inverse: #FFFFFF;
    --text-muted: #64748B;

    /* Border Colors */
    --border-light: #E2E8F0;
    --border-color: #E2E8F0;
    --border-medium: #CBD5E1;
    --border-focus: #3B82F6;

    /* Status Colors */
    --success: #10B981;
    --success-light: #D1FAE5;
    --success-bg: #ECFDF5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --warning-bg: #FFFBEB;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --danger-bg: #FEF2F2;
    --info: #06B6D4;
    --info-light: #CFFAFE;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

    /* Layout */
    --sidebar-width: 240px;
    --sidebar-collapsed: 64px;
    --topbar-height: 56px;
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    /* Typography */
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', Consolas, monospace;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* Legacy compatibility (map old vars to new) */
    --industrial-black: var(--bg-primary);
    --industrial-charcoal: var(--bg-secondary);
    --industrial-graphite: var(--bg-tertiary);
    --industrial-slate: var(--bg-hover);
    --industrial-dark-border: var(--border-light);
    --copper-accent: var(--primary);
    --copper-glow: var(--primary-hover);
    --copper-dim: var(--primary-light);
    --steel-blue: var(--info);
    --signal-red: var(--danger);
    --signal-green: var(--success);
    --signal-amber: var(--warning);
}

/* ============================================
   DARK MODE
   ============================================ */
.theme-dark,
[data-theme="dark"] {
    --primary-light: #1E3A5F;
    --primary-50: #172554;

    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --bg-elevated: #1E293B;
    --bg-hover: #475569;
    --bg-active: #1E3A5F;

    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-tertiary: #64748B;
    --text-inverse: #0F172A;
    --text-muted: #94A3B8;

    --border-light: #334155;
    --border-color: #334155;
    --border-medium: #475569;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.2);

    /* Legacy compatibility for dark mode */
    --industrial-black: #0F172A;
    --industrial-charcoal: #1E293B;
    --industrial-graphite: #334155;
    --industrial-slate: #475569;
    --industrial-dark-border: #334155;
}

/* ============================================
   BASE RESET
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

[v-cloak] {
    display: none !important;
}

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

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

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

.bg-primary { background: var(--bg-primary); }
.bg-secondary { background: var(--bg-secondary); }
.bg-tertiary { background: var(--bg-tertiary); }

/* ============================================
   BUTTON STYLES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-inverse);
    box-shadow: 0 1px 2px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-medium);
}

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

.btn-danger:hover:not(:disabled) {
    background: #DC2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-body);
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

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

label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group {
    margin-bottom: 16px;
}

/* Checkbox styling */
input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ============================================
   CARD STYLES
   ============================================ */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================
   BADGE / TAG STYLES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 20px;
    white-space: nowrap;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}

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

.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

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

.badge-neutral {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* ============================================
   STATUS INDICATORS
   ============================================ */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online,
.status-dot.success,
.status-dot.ready {
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
}

.status-dot.offline,
.status-dot.error {
    background: var(--danger);
}

.status-dot.warning,
.status-dot.pending {
    background: var(--warning);
    box-shadow: 0 0 6px var(--warning);
}

.status-dot.running {
    background: var(--primary);
    box-shadow: 0 0 6px var(--primary);
    animation: pulse-status 1.5s ease-in-out infinite;
}

@keyframes pulse-status {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

/* ============================================
   SCROLLBAR STYLES
   ============================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: 3px;
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease;
}

.animate-slideUp {
    animation: slideUp 0.3s ease;
}

/* ============================================
   THEME TOGGLE BUTTON
   ============================================ */
.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-toggle-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-medium);
    transform: scale(1.05);
}

.theme-toggle-btn:active {
    transform: scale(0.95);
}

.theme-toggle-btn .theme-icon {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease, opacity 0.2s ease;
}

.theme-toggle-btn.theme-toggle-animate .theme-icon {
    animation: theme-toggle-spin 0.4s ease;
}

@keyframes theme-toggle-spin {
    0% { transform: rotate(0deg) scale(1); opacity: 1; }
    50% { transform: rotate(180deg) scale(0.8); opacity: 0.5; }
    100% { transform: rotate(360deg) scale(1); opacity: 1; }
}

/* Fixed position variant for fallback */
.theme-toggle-btn.theme-toggle-fixed {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

/* Dark mode specific icon colors */
.theme-dark .theme-toggle-btn .theme-icon-sun {
    color: #FBBF24;
}

.theme-icon-moon {
    color: var(--text-secondary);
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-desc {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-hover) 100%);
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* ============================================
   MODAL STYLES
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

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

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}