/* 
   OficinaSys Premium Dark Design System 
   Theme: Professional SaaS Dark
*/

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

:root {
    /* Core Premium Dark Colors */
    --bg-app: #0f0f0f;
    --bg-surface: #1a1a1a;
    --bg-surface-hover: #222222;
    --border-color: #2a2a2a;
    
    /* Action Colors */
    --primary: #3b82f6;
    --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --primary-dark: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.1);
    
    /* Semantic Colors */
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;

    /* Spacing & Sizing */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows & Glows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.8);
    --accent-glow: 0 0 15px rgba(59, 130, 246, 0.3);

    /* Transitions */
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);

    /* Wallpaper */
    --wallpaper-url: none;
    --wallpaper-opacity: 0.15;
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-app);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    position: relative;
}

body.has-wallpaper::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--wallpaper-url);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: var(--wallpaper-opacity);
    z-index: -1;
    pointer-events: none;
    position: fixed; /* Keep wallpaper fixed during scroll */
}

/* Ensure backgrounds are transparent when wallpaper is active */
body.has-wallpaper .app-container,
body.has-wallpaper .dashboard-view,
body.has-wallpaper .main-content,
body.has-wallpaper .content-scroll,
body.has-wallpaper .topbar {
    background-color: transparent !important;
}

body.has-wallpaper .sidebar {
    background-color: rgba(15, 15, 15, 0.8) !important;
    backdrop-filter: blur(20px);
}

h1, h2, h3 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Main Layout */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
}

.dashboard-view {
    display: flex;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.auth-view {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent), var(--bg-app);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 3rem;
    border-radius: var(--radius-xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Sidebar Styling */
.sidebar {
    width: 280px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 50;
    overflow-y: auto;
    height: 100vh;
}

.sidebar-header {
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    color: var(--text-primary);
}

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

.sidebar-nav {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.sidebar-nav ul {
    list-style: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    margin-bottom: 0.4rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
    box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.2);
}

/* Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-app);
}

.topbar {
    height: 72px;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.topbar h1 {
    font-size: 1.4rem;
    font-weight: 700;
}

.content-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 2.5rem;
}

.view-header {
    margin-bottom: 2rem;
}

.view-header h2 {
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.view-header p {
    color: var(--text-secondary);
}

/* UI Components */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    border-color: #333;
    box-shadow: var(--shadow-md);
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Buttons */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    font-family: inherit;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    filter: brightness(1.1);
}

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

.btn-outline:hover {
    background: var(--bg-surface-hover);
    border-color: var(--text-muted);
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }
.btn-block { width: 100%; }

/* Forms & Inputs */
input, select, textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a3a3a3' viewBox='0 0 256 256'%3E%3Cpath d='M213.66,101.66l-80,80a8,8,0,0,1-11.32,0l-80-80a8,8,0,0,1,11.32-11.32L128,164.69l74.34-74.35a8,8,0,0,1,11.32,11.32Z'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

/* Utils */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.text-center { text-align: center; }

.hidden { display: none !important; }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }

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

@media (max-width: 1024px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar { position: absolute; left: -280px; height: 100%; }
    .sidebar.open { transform: translateX(280px); }
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
}