/**
 * Manager SDK - Design System
 * Apple-inspired UI components
 */

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */
:root {
    /* Primary Colors */
    --sdk-primary: #007AFF;
    --sdk-primary-hover: #0056CC;
    --sdk-success: #34C759;
    --sdk-warning: #FF9500;
    --sdk-danger: #FF3B30;

    /* Gray Scale */
    --sdk-gray-50: #F9FAFB;
    --sdk-gray-100: #F5F5F7;
    --sdk-gray-200: #E5E5EA;
    --sdk-gray-300: #D1D1D6;
    --sdk-gray-400: #C7C7CC;
    --sdk-gray-500: #8E8E93;
    --sdk-gray-600: #6E6E73;
    --sdk-gray-700: #48484A;
    --sdk-gray-800: #2C2C2E;
    --sdk-gray-900: #1C1C1E;

    /* Backgrounds */
    --sdk-bg-primary: #F5F5F7;
    --sdk-bg-secondary: #FFFFFF;
    --sdk-bg-card: #FFFFFF;
    --sdk-bg-sidebar: #1D1D1F;
    --sdk-bg-overlay: rgba(0, 0, 0, 0.4);

    /* Text Colors */
    --sdk-text-primary: #1D1D1F;
    --sdk-text-secondary: #6E6E73;
    --sdk-text-tertiary: #8E8E93;
    --sdk-text-inverse: #FFFFFF;
    --sdk-text-link: #007AFF;

    /* Borders */
    --sdk-border-color: rgba(0, 0, 0, 0.1);
    --sdk-border-color-strong: rgba(0, 0, 0, 0.15);

    /* Typography */
    --sdk-font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --sdk-font-mono: 'SF Mono', 'Menlo', 'Monaco', 'Courier New', monospace;

    /* Font Sizes */
    --sdk-text-xs: 11px;
    --sdk-text-sm: 13px;
    --sdk-text-base: 15px;
    --sdk-text-lg: 17px;
    --sdk-text-xl: 20px;
    --sdk-text-2xl: 24px;
    --sdk-text-3xl: 28px;
    --sdk-text-4xl: 34px;

    /* Spacing */
    --sdk-space-1: 4px;
    --sdk-space-2: 8px;
    --sdk-space-3: 12px;
    --sdk-space-4: 16px;
    --sdk-space-5: 20px;
    --sdk-space-6: 24px;
    --sdk-space-8: 32px;
    --sdk-space-10: 40px;
    --sdk-space-12: 48px;
    --sdk-space-16: 64px;

    /* Border Radius */
    --sdk-radius-sm: 6px;
    --sdk-radius-md: 10px;
    --sdk-radius-lg: 14px;
    --sdk-radius-xl: 20px;
    --sdk-radius-2xl: 28px;
    --sdk-radius-full: 9999px;

    /* Shadows */
    --sdk-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --sdk-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --sdk-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --sdk-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    --sdk-shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);

    /* Transitions */
    --sdk-transition-fast: 0.15s ease;
    --sdk-transition-base: 0.2s ease;
    --sdk-transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --sdk-sidebar-width: 260px;
    --sdk-topbar-height: 56px;
    --sdk-app-icon-size: 72px;

    /* Z-Index */
    --sdk-z-dropdown: 100;
    --sdk-z-modal: 200;
    --sdk-z-toast: 300;
}

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

html, body {
    height: 100%;
    font-family: var(--sdk-font);
    font-size: var(--sdk-text-base);
    color: var(--sdk-text-primary);
    background: var(--sdk-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
}

#app {
    min-height: 100%;
    overflow: hidden;
}

/* ============================================
   Login Screen
   ============================================ */
.sdk-login {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sdk-space-6);
    position: relative;
    overflow: hidden;
}

.sdk-login-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(0, 122, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(88, 86, 214, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(52, 199, 89, 0.08) 0%, transparent 60%),
        linear-gradient(180deg, #F5F5F7 0%, #E8E8ED 100%);
    z-index: -1;
}

.sdk-login-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--sdk-radius-2xl);
    padding: var(--sdk-space-10);
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: var(--sdk-shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.sdk-login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--sdk-space-6);
    background: linear-gradient(135deg, #5FA45F 0%, #3D7A3D 100%);
    border-radius: var(--sdk-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(95, 164, 95, 0.3);
}

.sdk-login-logo svg {
    width: 44px;
    height: 44px;
    color: white;
}

.sdk-login-title {
    font-size: var(--sdk-text-3xl);
    font-weight: 700;
    color: var(--sdk-text-primary);
    margin-bottom: var(--sdk-space-2);
    letter-spacing: -0.5px;
}

.sdk-login-subtitle {
    font-size: var(--sdk-text-lg);
    color: var(--sdk-text-secondary);
    margin-bottom: var(--sdk-space-8);
}

.sdk-login-btn {
    width: 100%;
    padding: var(--sdk-space-4) var(--sdk-space-6);
    background: var(--sdk-primary);
    color: white;
    border: none;
    border-radius: var(--sdk-radius-lg);
    font-size: var(--sdk-text-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--sdk-transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sdk-space-3);
}

.sdk-login-btn:hover {
    background: var(--sdk-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 122, 255, 0.3);
}

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

.sdk-login-btn svg {
    width: 24px;
    height: 24px;
}

.sdk-login-footer {
    margin-top: var(--sdk-space-8);
    font-size: var(--sdk-text-sm);
    color: var(--sdk-text-tertiary);
}

/* Dev Mode Button */
.sdk-login-dev {
    margin-top: var(--sdk-space-4);
    padding: var(--sdk-space-3) var(--sdk-space-4);
    background: transparent;
    color: var(--sdk-text-tertiary);
    border: 1px dashed var(--sdk-gray-300);
    border-radius: var(--sdk-radius-md);
    font-size: var(--sdk-text-sm);
    cursor: pointer;
    transition: var(--sdk-transition-base);
}

.sdk-login-dev:hover {
    background: var(--sdk-gray-100);
    color: var(--sdk-text-secondary);
}

/* ============================================
   QR Scanner Modal
   ============================================ */
.sdk-scanner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: var(--sdk-z-modal);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sdk-space-6);
}

.sdk-scanner-container {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.sdk-scanner-title {
    color: white;
    font-size: var(--sdk-text-2xl);
    font-weight: 600;
    margin-bottom: var(--sdk-space-2);
}

.sdk-scanner-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--sdk-text-base);
    margin-bottom: var(--sdk-space-6);
}

.sdk-scanner-video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    background: #000;
    border-radius: var(--sdk-radius-xl);
    overflow: hidden;
    margin-bottom: var(--sdk-space-6);
}

.sdk-scanner-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sdk-scanner-canvas {
    display: none;
}

.sdk-scanner-frame {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 70%;
    border: 3px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--sdk-radius-lg);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
}

.sdk-scanner-frame::before,
.sdk-scanner-frame::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border-color: var(--sdk-primary);
    border-style: solid;
}

.sdk-scanner-frame::before {
    top: -3px;
    left: -3px;
    border-width: 4px 0 0 4px;
    border-radius: 8px 0 0 0;
}

.sdk-scanner-frame::after {
    bottom: -3px;
    right: -3px;
    border-width: 0 4px 4px 0;
    border-radius: 0 0 8px 0;
}

.sdk-scanner-cancel {
    padding: var(--sdk-space-3) var(--sdk-space-6);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    border-radius: var(--sdk-radius-full);
    font-size: var(--sdk-text-base);
    font-weight: 500;
    cursor: pointer;
    transition: var(--sdk-transition-base);
}

.sdk-scanner-cancel:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ============================================
   Home Screen (iCloud Style)
   ============================================ */
.sdk-home {
    min-height: 100vh;
    padding: var(--sdk-space-10) var(--sdk-space-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: auto;
}

.sdk-home-header {
    text-align: center;
    margin-bottom: var(--sdk-space-12);
}

.sdk-home-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--sdk-space-4);
}

.sdk-home-title {
    font-size: var(--sdk-text-3xl);
    font-weight: 700;
    color: var(--sdk-text-primary);
    margin-bottom: var(--sdk-space-2);
}

.sdk-home-subtitle {
    font-size: var(--sdk-text-lg);
    color: var(--sdk-text-secondary);
}

.sdk-app-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sdk-space-8);
    max-width: 400px;
    width: 100%;
}

.sdk-app-icon-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sdk-space-3);
    cursor: pointer;
    transition: var(--sdk-transition-base);
}

.sdk-app-icon-wrapper:hover {
    transform: scale(1.05);
}

.sdk-app-icon-wrapper:active {
    transform: scale(0.95);
}

.sdk-app-icon {
    width: var(--sdk-app-icon-size);
    height: var(--sdk-app-icon-size);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transition: var(--sdk-transition-base);
}

.sdk-app-icon svg {
    width: 36px;
    height: 36px;
    color: white;
}

.sdk-app-icon-label {
    font-size: var(--sdk-text-sm);
    font-weight: 500;
    color: var(--sdk-text-primary);
    text-align: center;
}

/* App Icon Colors */
.sdk-app-icon--clients {
    background: linear-gradient(135deg, #007AFF 0%, #0055D4 100%);
}

.sdk-app-icon--configuration {
    background: linear-gradient(135deg, #8E8E93 0%, #636366 100%);
}

.sdk-app-icon--backoffice {
    background: linear-gradient(135deg, #AF52DE 0%, #8944AB 100%);
}

/* Large screen - double icon size */
@media (min-width: 1024px) {
    .sdk-app-icon {
        width: 144px;
        height: 144px;
        border-radius: 32px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    }

    .sdk-app-icon svg {
        width: 72px;
        height: 72px;
    }

    .sdk-app-icon-label {
        font-size: var(--sdk-text-base);
        margin-top: var(--sdk-space-1);
    }

    .sdk-app-grid {
        gap: var(--sdk-space-10);
        max-width: 600px;
    }
}

.sdk-home-logout {
    margin-top: auto;
    padding-top: var(--sdk-space-12);
}

.sdk-home-logout-btn {
    padding: var(--sdk-space-3) var(--sdk-space-6);
    background: transparent;
    color: var(--sdk-text-secondary);
    border: none;
    font-size: var(--sdk-text-base);
    cursor: pointer;
    transition: var(--sdk-transition-base);
}

.sdk-home-logout-btn:hover {
    color: var(--sdk-danger);
}

/* ============================================
   List Layout (Full width, no sidebar)
   ============================================ */
.sdk-list-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: var(--sdk-bg-primary);
    overflow: hidden;
}

.sdk-list-topbar {
    display: flex;
    align-items: center;
    gap: var(--sdk-space-4);
    padding: var(--sdk-space-4) var(--sdk-space-6);
    background: var(--sdk-bg-card);
    border-bottom: 1px solid var(--sdk-border-color);
    position: sticky;
    top: 0;
    z-index: 40;
}

.sdk-list-topbar .sdk-topbar-back {
    display: flex;
    align-items: center;
    gap: var(--sdk-space-1);
    background: none;
    border: none;
    color: var(--sdk-primary);
    font-size: var(--sdk-text-base);
    cursor: pointer;
    padding: var(--sdk-space-2) var(--sdk-space-3);
    margin-left: calc(-1 * var(--sdk-space-3));
    border-radius: var(--sdk-radius-md);
    transition: var(--sdk-transition-fast);
}

.sdk-list-topbar .sdk-topbar-back:hover {
    background: var(--sdk-gray-100);
}

.sdk-list-topbar .sdk-topbar-back svg {
    width: 20px;
    height: 20px;
}

.sdk-list-topbar .sdk-topbar-title {
    flex: 1;
    font-size: var(--sdk-text-xl);
    font-weight: 600;
    color: var(--sdk-text-primary);
    margin: 0;
}

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

.sdk-list-content {
    flex: 1;
    padding: var(--sdk-space-6);
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    overflow-y: auto;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .sdk-list-topbar {
        padding: var(--sdk-space-3) var(--sdk-space-4);
    }

    .sdk-list-content {
        padding: var(--sdk-space-4);
    }
}

/* ============================================
   App Layout (App Store Connect Style)
   ============================================ */
.sdk-app-layout {
    display: flex;
    min-height: 100vh;
}

/* Content Wrapper (sidebar + content) */
.sdk-content-wrapper {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sdk-sidebar {
    width: var(--sdk-sidebar-width);
    background: transparent;
    color: var(--sdk-text-primary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    border-right: 1px solid var(--sdk-border-color);
    overflow-y: auto;
}

.sdk-sidebar-nav {
    flex: 1;
    padding: var(--sdk-space-4) 0;
}

.sdk-sidebar-section {
    padding: var(--sdk-space-3) var(--sdk-space-4);
    font-size: 15px;
    font-weight: 600;
    color: var(--sdk-text-primary);
    text-transform: none;
    letter-spacing: normal;
}

.sdk-sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--sdk-space-3);
    padding: var(--sdk-space-2) var(--sdk-space-4);
    padding-left: calc(var(--sdk-space-4) + 10px);
    color: var(--sdk-text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    transition: var(--sdk-transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.sdk-sidebar-item:hover {
    background: var(--sdk-gray-100);
    color: var(--sdk-text-primary);
}

.sdk-sidebar-item.active {
    background: rgba(0, 122, 255, 0.1);
    color: var(--sdk-primary);
}

.sdk-sidebar-item svg {
    width: 18px;
    height: 18px;
    opacity: 0.7;
}

.sdk-sidebar-item.active svg {
    opacity: 1;
    color: var(--sdk-primary);
}

/* Main Content */
.sdk-main {
    flex: 1;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Top Bar - Full width */
.sdk-topbar {
    height: var(--sdk-topbar-height);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--sdk-border-color);
    display: flex;
    align-items: center;
    padding: 0 var(--sdk-space-6);
    position: sticky;
    top: 0;
    z-index: 40;
}

.sdk-topbar-back {
    display: flex;
    align-items: center;
    gap: var(--sdk-space-2);
    padding: var(--sdk-space-2) var(--sdk-space-3);
    margin-right: var(--sdk-space-4);
    background: none;
    border: none;
    color: var(--sdk-primary);
    font-size: var(--sdk-text-base);
    cursor: pointer;
    border-radius: var(--sdk-radius-md);
    transition: var(--sdk-transition-fast);
}

.sdk-topbar-back:hover {
    background: var(--sdk-gray-100);
}

.sdk-topbar-back svg {
    width: 20px;
    height: 20px;
}

.sdk-topbar-title {
    font-size: var(--sdk-text-lg);
    font-weight: 600;
    color: var(--sdk-text-primary);
}

.sdk-topbar-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--sdk-space-2);
    font-size: var(--sdk-text-sm);
    color: var(--sdk-text-secondary);
}

.sdk-topbar-breadcrumb-separator {
    color: var(--sdk-gray-400);
}

.sdk-topbar-breadcrumb a {
    color: var(--sdk-primary);
    text-decoration: none;
}

.sdk-topbar-breadcrumb a:hover {
    text-decoration: underline;
}

.sdk-topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--sdk-space-3);
}

/* Mobile Menu Button */
.sdk-topbar-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: var(--sdk-primary);
    cursor: pointer;
    border-radius: var(--sdk-radius-md);
    transition: var(--sdk-transition-fast);
    margin-left: var(--sdk-space-3);
}

.sdk-topbar-menu-btn:hover {
    background: var(--sdk-gray-100);
}

.sdk-topbar-menu-btn svg {
    width: 22px;
    height: 22px;
}

/* Topbar User Info */
.sdk-topbar-user {
    text-align: right;
    margin-left: var(--sdk-space-4);
}

.sdk-topbar-user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--sdk-text-primary);
    line-height: 1.3;
}

.sdk-topbar-user-email {
    font-size: 11px;
    color: var(--sdk-text-secondary);
    line-height: 1.3;
}

@media (max-width: 768px) {
    .sdk-topbar-menu-btn {
        display: flex;
    }

    .sdk-topbar-user {
        display: none;
    }
}

/* Mobile Dropdown Menu */
.sdk-dropdown-menu {
    position: fixed;
    top: calc(var(--sdk-topbar-height) + 8px);
    right: var(--sdk-space-4);
    min-width: 220px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--sdk-radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    z-index: var(--sdk-z-dropdown);
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
    transform-origin: top right;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    overflow: hidden;
}

.sdk-dropdown-menu.open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.sdk-dropdown-menu-section {
    padding: var(--sdk-space-2) var(--sdk-space-4);
    font-size: var(--sdk-text-xs);
    font-weight: 600;
    color: var(--sdk-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--sdk-gray-50);
    border-bottom: 1px solid var(--sdk-border-color);
}

.sdk-dropdown-menu-section:not(:first-child) {
    border-top: 1px solid var(--sdk-border-color);
}

.sdk-dropdown-menu-item {
    display: flex;
    align-items: center;
    gap: var(--sdk-space-3);
    padding: var(--sdk-space-3) var(--sdk-space-4);
    color: var(--sdk-text-primary);
    font-size: var(--sdk-text-base);
    cursor: pointer;
    transition: var(--sdk-transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.sdk-dropdown-menu-item:hover {
    background: var(--sdk-gray-100);
}

.sdk-dropdown-menu-item.active {
    color: var(--sdk-primary);
    background: rgba(0, 122, 255, 0.08);
}

.sdk-dropdown-menu-item svg {
    width: 18px;
    height: 18px;
    color: var(--sdk-text-secondary);
}

.sdk-dropdown-menu-item.active svg {
    color: var(--sdk-primary);
}

.sdk-dropdown-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: calc(var(--sdk-z-dropdown) - 1);
    display: none;
}

.sdk-dropdown-overlay.open {
    display: block;
}

/* Content Area */
.sdk-content {
    flex: 1;
    padding: var(--sdk-space-6);
    background: var(--sdk-bg-primary);
    overflow-y: auto;
}

.sdk-content-header {
    margin-bottom: var(--sdk-space-6);
}

/* Footer */
.sdk-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sdk-space-2);
    padding: var(--sdk-space-3) var(--sdk-space-6);
    font-size: 11px;
    color: var(--sdk-text-tertiary);
    background: var(--sdk-bg-primary);
    border-top: 1px solid var(--sdk-border-color);
    flex-shrink: 0;
}

.sdk-footer--home {
    margin-top: auto;
    background: transparent;
    border-top: none;
    padding-top: var(--sdk-space-8);
}

.sdk-footer-separator {
    color: var(--sdk-gray-400);
}

.sdk-content-title {
    font-size: var(--sdk-text-2xl);
    font-weight: 700;
    color: var(--sdk-text-primary);
    margin-bottom: var(--sdk-space-2);
}

.sdk-content-subtitle {
    font-size: var(--sdk-text-base);
    color: var(--sdk-text-secondary);
}

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

/* Buttons */
.sdk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sdk-space-2);
    padding: var(--sdk-space-2) var(--sdk-space-4);
    font-family: var(--sdk-font);
    font-size: var(--sdk-text-base);
    font-weight: 500;
    border-radius: var(--sdk-radius-md);
    border: none;
    cursor: pointer;
    transition: var(--sdk-transition-base);
    text-decoration: none;
}

.sdk-btn--primary {
    background: var(--sdk-primary);
    color: white;
}

.sdk-btn--primary:hover {
    background: var(--sdk-primary-hover);
}

.sdk-btn--secondary {
    background: var(--sdk-gray-200);
    color: var(--sdk-text-primary);
}

.sdk-btn--secondary:hover {
    background: var(--sdk-gray-300);
}

.sdk-btn--ghost {
    background: transparent;
    color: var(--sdk-primary);
}

.sdk-btn--ghost:hover {
    background: rgba(0, 122, 255, 0.1);
}

.sdk-btn--danger {
    background: var(--sdk-danger);
    color: white;
}

.sdk-btn--danger:hover {
    background: #E0352B;
}

.sdk-btn--sm {
    padding: var(--sdk-space-1) var(--sdk-space-3);
    font-size: var(--sdk-text-sm);
}

.sdk-btn--lg {
    padding: var(--sdk-space-3) var(--sdk-space-6);
    font-size: var(--sdk-text-lg);
}

.sdk-btn svg {
    width: 18px;
    height: 18px;
}

/* Cards */
.sdk-card {
    background: var(--sdk-bg-card);
    border-radius: var(--sdk-radius-lg);
    box-shadow: var(--sdk-shadow-card);
    overflow: hidden;
}

.sdk-card-header {
    padding: var(--sdk-space-4) var(--sdk-space-5);
    border-bottom: 1px solid var(--sdk-border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.sdk-card-body {
    padding: var(--sdk-space-5);
}

.sdk-card-footer {
    padding: var(--sdk-space-4) var(--sdk-space-5);
    border-top: 1px solid var(--sdk-border-color);
    background: var(--sdk-gray-50);
}

/* Tables */
.sdk-table-wrapper {
    overflow-x: auto;
}

.sdk-table {
    width: 100%;
    border-collapse: collapse;
}

.sdk-table th,
.sdk-table td {
    padding: var(--sdk-space-3) var(--sdk-space-4);
    text-align: left;
    border-bottom: 1px solid var(--sdk-border-color);
}

.sdk-table th {
    font-size: var(--sdk-text-sm);
    font-weight: 600;
    color: var(--sdk-text-secondary);
    background: var(--sdk-gray-50);
}

.sdk-table td {
    font-size: var(--sdk-text-base);
    color: var(--sdk-text-primary);
}

.sdk-table tbody tr:hover {
    background: var(--sdk-gray-50);
}

.sdk-table tbody tr {
    cursor: pointer;
    transition: var(--sdk-transition-fast);
}

/* Inputs */
.sdk-input-group {
    margin-bottom: var(--sdk-space-4);
}

.sdk-input-label {
    display: block;
    font-size: var(--sdk-text-sm);
    font-weight: 500;
    color: var(--sdk-text-secondary);
    margin-bottom: var(--sdk-space-2);
}

.sdk-input {
    width: 100%;
    padding: var(--sdk-space-3) var(--sdk-space-4);
    font-family: var(--sdk-font);
    font-size: var(--sdk-text-base);
    color: var(--sdk-text-primary);
    background: var(--sdk-bg-secondary);
    border: 1px solid var(--sdk-border-color-strong);
    border-radius: var(--sdk-radius-md);
    transition: var(--sdk-transition-fast);
}

.sdk-input:focus {
    outline: none;
    border-color: var(--sdk-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}

.sdk-input::placeholder {
    color: var(--sdk-text-tertiary);
}

/* Search Bar */
.sdk-search {
    position: relative;
}

.sdk-search-icon {
    position: absolute;
    left: var(--sdk-space-4);
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--sdk-text-tertiary);
    pointer-events: none;
}

.sdk-search .sdk-input {
    padding-left: var(--sdk-space-10);
}

/* Empty State */
.sdk-empty {
    text-align: center;
    padding: var(--sdk-space-12) var(--sdk-space-6);
}

.sdk-empty-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--sdk-space-4);
    color: var(--sdk-gray-400);
}

.sdk-empty-title {
    font-size: var(--sdk-text-lg);
    font-weight: 600;
    color: var(--sdk-text-primary);
    margin-bottom: var(--sdk-space-2);
}

.sdk-empty-text {
    font-size: var(--sdk-text-base);
    color: var(--sdk-text-secondary);
    margin-bottom: var(--sdk-space-6);
}

/* Loading Spinner */
.sdk-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--sdk-gray-200);
    border-top-color: var(--sdk-primary);
    border-radius: 50%;
    animation: sdk-spin 0.8s linear infinite;
}

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

.sdk-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sdk-space-12);
    gap: var(--sdk-space-4);
}

.sdk-loading-text {
    font-size: var(--sdk-text-base);
    color: var(--sdk-text-secondary);
}

/* Toasts */
.sdk-toast-container {
    position: fixed;
    bottom: var(--sdk-space-6);
    right: var(--sdk-space-6);
    z-index: var(--sdk-z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--sdk-space-3);
}

.sdk-toast {
    padding: var(--sdk-space-4) var(--sdk-space-5);
    background: var(--sdk-gray-900);
    color: white;
    border-radius: var(--sdk-radius-lg);
    box-shadow: var(--sdk-shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--sdk-space-3);
    animation: sdk-toast-in 0.3s ease;
    max-width: 400px;
}

.sdk-toast--success {
    background: var(--sdk-success);
}

.sdk-toast--error {
    background: var(--sdk-danger);
}

.sdk-toast--warning {
    background: var(--sdk-warning);
}

@keyframes sdk-toast-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal */
.sdk-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--sdk-bg-overlay);
    z-index: var(--sdk-z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sdk-space-6);
    animation: sdk-fade-in 0.2s ease;
}

.sdk-modal {
    background: var(--sdk-bg-card);
    border-radius: var(--sdk-radius-xl);
    box-shadow: var(--sdk-shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: sdk-modal-in 0.3s ease;
}

.sdk-modal-header {
    padding: var(--sdk-space-5);
    border-bottom: 1px solid var(--sdk-border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sdk-modal-title {
    font-size: var(--sdk-text-xl);
    font-weight: 600;
}

.sdk-modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sdk-gray-100);
    border: none;
    border-radius: var(--sdk-radius-full);
    color: var(--sdk-text-secondary);
    cursor: pointer;
    transition: var(--sdk-transition-fast);
}

.sdk-modal-close:hover {
    background: var(--sdk-gray-200);
    color: var(--sdk-text-primary);
}

.sdk-modal-body {
    padding: var(--sdk-space-5);
    overflow-y: auto;
}

.sdk-modal-footer {
    padding: var(--sdk-space-4) var(--sdk-space-5);
    border-top: 1px solid var(--sdk-border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--sdk-space-3);
}

@keyframes sdk-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes sdk-modal-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Badges */
.sdk-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--sdk-space-1) var(--sdk-space-3);
    font-size: var(--sdk-text-xs);
    font-weight: 600;
    border-radius: var(--sdk-radius-full);
    background: var(--sdk-gray-200);
    color: var(--sdk-text-secondary);
}

.sdk-badge--success {
    background: rgba(52, 199, 89, 0.15);
    color: #248A3D;
}

.sdk-badge--warning {
    background: rgba(255, 149, 0, 0.15);
    color: #C25700;
}

.sdk-badge--danger {
    background: rgba(255, 59, 48, 0.15);
    color: #C93128;
}

.sdk-badge--info {
    background: rgba(0, 122, 255, 0.15);
    color: #0055D4;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .sdk-sidebar {
        display: none;
    }

    .sdk-topbar {
        padding: 0 var(--sdk-space-4);
    }

    .sdk-content {
        padding: var(--sdk-space-4);
    }

    .sdk-app-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--sdk-space-6);
    }

    .sdk-app-icon {
        width: 60px;
        height: 60px;
        border-radius: 14px;
    }

    .sdk-app-icon svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .sdk-login-card {
        padding: var(--sdk-space-6);
    }

    .sdk-home {
        padding: var(--sdk-space-6) var(--sdk-space-4);
    }

    .sdk-app-grid {
        gap: var(--sdk-space-5);
    }

    .sdk-modal {
        max-width: 100%;
        border-radius: var(--sdk-radius-lg);
    }
}

/* ============================================
   Dark Mode
   ============================================ */
@media (prefers-color-scheme: dark) {
    :root {
        --sdk-bg-primary: #000000;
        --sdk-bg-secondary: #1C1C1E;
        --sdk-bg-card: #1C1C1E;
        --sdk-text-primary: #F5F5F7;
        --sdk-text-secondary: #8E8E93;
        --sdk-text-tertiary: #6E6E73;
        --sdk-border-color: rgba(255, 255, 255, 0.1);
        --sdk-border-color-strong: rgba(255, 255, 255, 0.15);

        /* Gray Scale - Dark Mode */
        --sdk-gray-50: #1C1C1E;
        --sdk-gray-100: #2C2C2E;
        --sdk-gray-200: #3A3A3C;
        --sdk-gray-300: #48484A;
        --sdk-gray-400: #636366;
        --sdk-gray-500: #8E8E93;
        --sdk-gray-600: #AEAEB2;
        --sdk-gray-700: #C7C7CC;
        --sdk-gray-800: #D1D1D6;
        --sdk-gray-900: #F5F5F7;
    }

    /* Login Screen */
    .sdk-login-background {
        background:
            radial-gradient(ellipse at 20% 30%, rgba(0, 122, 255, 0.2) 0%, transparent 50%),
            radial-gradient(ellipse at 80% 70%, rgba(88, 86, 214, 0.15) 0%, transparent 50%),
            radial-gradient(ellipse at 50% 50%, rgba(52, 199, 89, 0.1) 0%, transparent 60%),
            linear-gradient(180deg, #1C1C1E 0%, #000000 100%);
    }

    .sdk-login-card {
        background: rgba(28, 28, 30, 0.9);
        border-color: rgba(255, 255, 255, 0.1);
    }

    .sdk-login-dev {
        border-color: var(--sdk-gray-300);
        color: var(--sdk-text-secondary);
    }

    .sdk-login-dev:hover {
        background: var(--sdk-gray-100);
        color: var(--sdk-text-primary);
    }

    /* Top Bar */
    .sdk-topbar {
        background: rgba(28, 28, 30, 0.8);
    }

    .sdk-topbar-back:hover {
        background: var(--sdk-gray-100);
    }

    .sdk-topbar-menu-btn:hover {
        background: var(--sdk-gray-100);
    }

    /* List Top Bar */
    .sdk-list-topbar {
        background: var(--sdk-bg-card);
    }

    .sdk-list-topbar .sdk-topbar-back:hover {
        background: var(--sdk-gray-100);
    }

    /* Sidebar */
    .sdk-sidebar {
        background: transparent;
    }

    .sdk-sidebar-item:hover {
        background: var(--sdk-gray-100);
        color: var(--sdk-text-primary);
    }

    .sdk-sidebar-item.active {
        background: rgba(0, 122, 255, 0.2);
    }

    /* Dropdown Menu */
    .sdk-dropdown-menu {
        background: rgba(44, 44, 46, 0.95);
    }

    .sdk-dropdown-menu-section {
        background: var(--sdk-gray-100);
        color: var(--sdk-text-secondary);
    }

    .sdk-dropdown-menu-item {
        color: var(--sdk-text-primary);
    }

    .sdk-dropdown-menu-item:hover {
        background: var(--sdk-gray-100);
    }

    .sdk-dropdown-menu-item.active {
        background: rgba(0, 122, 255, 0.2);
    }

    .sdk-dropdown-menu-item svg {
        color: var(--sdk-text-secondary);
    }

    /* Buttons */
    .sdk-btn--secondary {
        background: var(--sdk-gray-200);
        color: var(--sdk-text-primary);
    }

    .sdk-btn--secondary:hover {
        background: var(--sdk-gray-300);
    }

    .sdk-btn--ghost:hover {
        background: rgba(0, 122, 255, 0.2);
    }

    /* Cards */
    .sdk-card {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .sdk-card-footer {
        background: var(--sdk-gray-100);
    }

    /* Tables */
    .sdk-table th {
        background: var(--sdk-gray-100);
        color: var(--sdk-text-secondary);
    }

    .sdk-table tbody tr:hover {
        background: var(--sdk-gray-100);
    }

    /* Inputs */
    .sdk-input {
        background: var(--sdk-gray-100);
        color: var(--sdk-text-primary);
        border-color: var(--sdk-border-color-strong);
    }

    .sdk-input:focus {
        border-color: var(--sdk-primary);
        box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.25);
    }

    .sdk-input::placeholder {
        color: var(--sdk-text-tertiary);
    }

    .sdk-input:disabled {
        background: var(--sdk-gray-50);
        color: var(--sdk-text-tertiary);
    }

    /* Badges */
    .sdk-badge {
        background: var(--sdk-gray-200);
        color: var(--sdk-text-secondary);
    }

    .sdk-badge--success {
        background: rgba(52, 199, 89, 0.2);
        color: #30D158;
    }

    .sdk-badge--warning {
        background: rgba(255, 149, 0, 0.2);
        color: #FF9F0A;
    }

    .sdk-badge--danger {
        background: rgba(255, 59, 48, 0.2);
        color: #FF453A;
    }

    .sdk-badge--info,
    .sdk-badge--primary {
        background: rgba(0, 122, 255, 0.2);
        color: #0A84FF;
    }

    /* Modal */
    .sdk-modal {
        background: var(--sdk-bg-card);
    }

    .sdk-modal-close {
        background: var(--sdk-gray-100);
        color: var(--sdk-text-secondary);
    }

    .sdk-modal-close:hover {
        background: var(--sdk-gray-200);
        color: var(--sdk-text-primary);
    }

    /* Spinner */
    .sdk-spinner {
        border-color: var(--sdk-gray-200);
        border-top-color: var(--sdk-primary);
    }

    /* Empty State */
    .sdk-empty-icon {
        color: var(--sdk-gray-400);
    }

    /* Footer */
    .sdk-footer {
        background: var(--sdk-bg-primary);
    }

    /* App Icons - slightly adjust shadow for dark */
    .sdk-app-icon {
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    }

    @media (min-width: 1024px) {
        .sdk-app-icon {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }
    }
}

/* ============================================
   Animations - iOS Style
   ============================================ */

/* App Icon Zoom Animation */
@keyframes appIconZoomIn {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(12);
        opacity: 0;
    }
}

@keyframes appIconZoomOut {
    0% {
        transform: scale(12);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Home Screen Fade */
@keyframes homeFadeOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.95);
    }
}

@keyframes homeFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.95);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* App Content Zoom In (from icon) */
@keyframes appZoomIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes appZoomOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.8);
    }
}

/* Push Animation (slide from right) */
@keyframes pushIn {
    0% {
        opacity: 0;
        transform: translateX(100%);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pushOut {
    0% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-30%);
    }
}

/* Pop Animation (slide to right) */
@keyframes popIn {
    0% {
        opacity: 0;
        transform: translateX(-30%);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes popOut {
    0% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Animation Classes */
.sdk-home.animate-out {
    animation: homeFadeOut 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.sdk-home.animate-in {
    animation: homeFadeIn 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.sdk-app-icon-wrapper.zoom-out {
    animation: appIconZoomIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    z-index: 100;
    position: relative;
}

.sdk-app-layout.animate-in,
.sdk-list-layout.animate-in {
    animation: appZoomIn 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.sdk-app-layout.animate-out,
.sdk-list-layout.animate-out {
    animation: appZoomOut 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Push/Pop for List Layout -> App Layout transitions */
.sdk-list-layout.push-out {
    animation: pushOut 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.sdk-app-layout.push-in {
    animation: pushIn 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.sdk-app-layout.pop-out {
    animation: popOut 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.sdk-list-layout.pop-in {
    animation: popIn 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Content area animations (for sidebar navigation) */
.sdk-content.fade-in {
    animation: fadeIn 0.2s ease forwards;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}