/* ============================================================
   TODOSIGN GLOBAL THEME
   Imports unified design system and provides base styles
   ============================================================ */

/* Import Unified Design System */
@import url('core/design-system.css');

/* Import Global Components */
@import url('header.css');
@import url('hero.css');
@import url('filters.css');

/* Import Centralized Light Theme (must be last for overrides) */
@import url('themes/light.css');

/* Legacy import for backwards compatibility */
@import url('design-tokens.css');

/* ============================================================
   GLOBAL RESET & BASE
   ============================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: var(--leading-normal);
}

/* ============================================================
   CUSTOM SCROLLBAR
   ============================================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

[data-theme="light"] ::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* ============================================================
   GLOBAL BACKGROUND EFFECT
   ============================================================ */

.app-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background:
        radial-gradient(circle at 15% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 85% 30%, rgba(99, 102, 241, 0.06) 0%, transparent 35%),
        radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.04) 0%, transparent 40%);
    pointer-events: none;
}

[data-theme="light"] .app-background {
    background:
        radial-gradient(circle at 15% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 35%),
        radial-gradient(circle at 85% 30%, rgba(99, 102, 241, 0.04) 0%, transparent 35%),
        radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.03) 0%, transparent 40%);
}

/* ============================================================
   BUTTON COMPONENTS
   ============================================================ */

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-on-primary);
    border: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px var(--accent-glow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.btn-primary:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow), var(--glow-primary);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    backdrop-filter: var(--glass-blur-light);
}

.btn-secondary:hover {
    background: var(--glass-bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    gap: var(--space-2-5);
    font-family: var(--font-body);
}

.btn-outline:hover {
    background: var(--glass-bg-hover);
    border-color: var(--color-primary);
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-body);
}

.btn-ghost:hover {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-2);
    font-size: var(--text-sm);
    font-family: var(--font-body);
    transition: color var(--transition-fast);
}

.btn-text:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Icon Button */
.icon-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.icon-btn:hover {
    background: var(--glass-bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.icon-btn .badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: var(--text-2xs);
    font-weight: var(--font-bold);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-1);
}

/* Hero styles moved to /css/hero.css (Glass Card Premium) */

.hero-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* ============================================================
   VIEW TOGGLE
   ============================================================ */

.view-toggle {
    display: flex;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-1);
    gap: var(--space-1);
}

.view-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-btn:hover {
    color: var(--text-primary);
    background: var(--glass-bg-hover);
}

.view-btn.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--glow-primary);
}

.view-btn i {
    font-size: var(--text-sm);
}

/* Filter styles moved to /css/filters.css */

/* ============================================================
   LANGUAGE SELECTOR
   ============================================================ */

.language-selector {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: var(--glass-blur-light);
    position: relative;
}

.language-selector:hover {
    background: var(--color-primary-subtle);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.language-selector:active {
    transform: translateY(0);
}

.language-selector i {
    font-size: var(--text-base);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.language-selector:hover i {
    color: var(--color-primary);
}

.language-selector::after {
    content: attr(data-lang);
    position: absolute;
    bottom: -2px;
    right: -2px;
    font-size: 0.55rem;
    font-weight: var(--font-bold);
    background: var(--gradient-primary);
    color: white;
    padding: 1px 4px;
    border-radius: var(--radius-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

/* ============================================================
   THEME TOGGLE
   ============================================================ */

.theme-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--color-primary-subtle);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.theme-toggle i {
    position: absolute;
    font-size: var(--text-base);
    transition: all var(--transition-normal);
}

.theme-toggle .fa-moon {
    color: var(--text-secondary);
    opacity: 1;
    transform: rotate(0deg);
}

.theme-toggle .fa-sun {
    color: var(--amber-500);
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="light"] .theme-toggle .fa-moon {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="light"] .theme-toggle .fa-sun {
    opacity: 1;
    transform: rotate(0deg);
}

/* ============================================================
   SEARCH CONTAINER
   ============================================================ */

.search-container {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 0 var(--space-4);
    transition: all var(--transition-normal);
    min-width: 280px;
}

.search-container:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-subtle), var(--glow-primary);
}

.search-container i {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.search-container:focus-within i {
    color: var(--color-primary);
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: var(--space-3) var(--space-3);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-body);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-shortcut {
    font-size: var(--text-xs);
    color: var(--text-muted);
    background: var(--glass-bg-elevated);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
}

/* ============================================================
   MODAL STYLES
   ============================================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    backdrop-filter: var(--glass-blur-light);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-2xl);
    animation: scale-in var(--duration-normal) var(--ease-spring);
}

/* ============================================================
   GLASS PANEL COMPONENT
   ============================================================ */

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
}

.glass-panel:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-card-hover);
}

/* ============================================================
   TEXT GRADIENT
   ============================================================ */

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   LEGACY COMPATIBILITY
   ============================================================ */

:root {
    /* Legacy variables mapped to new system */
    --navy-deep: var(--navy-950);
    --navy-dark: var(--navy-900);
    --navy-medium: var(--navy-800);
    --blue-accent: var(--cyan-500);
    --blue-glow: var(--accent-glow);
    --white: var(--text-primary);
    --gray-light: var(--slate-100);
    --gray-medium: var(--text-secondary);
    --primary-gradient: var(--gradient-primary);
    --hover-gradient: var(--gradient-primary-hover);
    --backdrop-blur: var(--glass-blur);
    --glass-shadow: var(--shadow-card);
    --glass-highlight: var(--glass-inset);
    --card-hover-bg: var(--glass-bg-hover);
}

[data-theme="light"] {
    --navy-deep: var(--slate-50);
    --navy-dark: #ffffff;
    --navy-medium: var(--slate-200);
    --white: var(--text-primary);
    --gray-light: var(--slate-700);
    --gray-medium: var(--text-secondary);
}