/* styles.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --bg-base: #0f1115;
    --bg-surface: rgba(25, 28, 36, 0.6);
    --bg-surface-hover: rgba(35, 39, 49, 0.8);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #008cd6; /* MPS Blue */
    --accent-primary-hover: #0077b5;
    --accent-secondary: #f07d00; /* MPS Orange */
    --accent-secondary-hover: #d97000;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;

    /* Borders & Shadows */
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    
    /* Layout */
    --sidebar-width: 260px;
    --header-height: 70px;
    
    /* Animation */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.05), transparent 25%);
    background-attachment: fixed;
    height: 100vh;
    overflow: hidden;
}

/* App Layout */
#app {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
    z-index: 10;
}

.sidebar-logo {
    padding: 0 1.5rem 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.sidebar-logo i {
    color: var(--accent-primary);
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 1rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.nav-link:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.nav-link.active {
    background-color: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
    border-left: 3px solid var(--accent-primary);
}

.nav-link i {
    width: 20px;
    text-align: center;
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.header {
    height: var(--header-height);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    border-bottom: 1px solid var(--border-color);
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Page Content Container */
.page-container {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Cards (Glassmorphism) */
.glass-card {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-glass);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
    background: var(--bg-surface-hover);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.card-icon {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
}

/* Tables */
.table-container {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.data-table th, .data-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.02);
}

.data-table tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
    background-color: var(--bg-surface-hover);
}

.data-table td {
    font-size: 0.9375rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge.success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge.danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-primary:hover {
    background-color: var(--accent-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.45);
}

.btn-icon {
    padding: 0.5rem;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 0.375rem;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Login Screen */
.login-screen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 140, 214, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(240, 125, 0, 0.05), transparent 25%);
    display: none; /* Hidden by default; init() in app.js will show if no saved session */
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.5s ease-in-out;
}

.login-card {
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    padding: 3rem 2.5rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-glass);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-logo {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 0.25rem;
}

.login-logo .m { color: var(--accent-primary); }
.login-logo .p { color: var(--text-primary); }
.login-logo .s { color: var(--accent-secondary); }

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    text-align: left;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 140, 214, 0.2);
}

.login-btn {
    margin-top: 1rem;
    width: 100%;
    padding: 0.875rem;
    font-size: 1rem;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    box-shadow: var(--shadow-glass);
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

/* Search Bar */
.search-container {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
    width: 100%;
    max-width: 400px;
}

.search-container i {
    color: var(--text-secondary);
    margin-right: 0.75rem;
}

.search-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    width: 100%;
    outline: none;
}

/* Color Swatches (Settings palette) */
.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    border: 2px solid transparent;
}

.color-swatch:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 2px rgba(255,255,255,0.3);
}