/* 
 * TriboTech Premium UI Theme
 * Features: Glassmorphism, Modern Typography (Inter), Smooth Animations
 */

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

:root {
  /* Brand Palette */
  --primary-color: #0F172A;     /* Slate 900 */
  --secondary-color: #1E293B;   /* Slate 800 */
  --accent-color: #38BDF8;      /* Sky 400 */
  --accent-hover: #0EA5E9;      /* Sky 500 */
  --success-color: #10B981;     /* Emerald 500 */
  --warning-color: #F59E0B;     /* Amber 500 */
  --danger-color: #EF4444;      /* Red 500 */
  
  /* Backgrounds */
  --bg-body: #F1F5F9;           /* Slate 100 */
  --bg-glass: rgba(255, 255, 255, 0.7);
  --bg-glass-dark: rgba(15, 23, 42, 0.8);
  
  /* Effects */
  --blur-amt: 12px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Component Defaults */
  --radius-lg: 1rem;
  --radius-md: 0.5rem;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-body);
    background-image: 
        radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--primary-color);
}

/* Glassmorphism Cards */
.card, .auth-card, .sidebar {
    background: var(--bg-glass) !important;
    backdrop-filter: blur(var(--blur-amt));
    -webkit-backdrop-filter: blur(var(--blur-amt));
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg) !important;
}

/* Header / Navbar */
.navbar {
    background: rgba(15, 23, 42, 0.95) !important; /* Dark Glass */
    backdrop-filter: blur(var(--blur-amt));
    -webkit-backdrop-filter: blur(var(--blur-amt));
    box-shadow: var(--shadow-md);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
    font-size: 1.5rem;
    color: var(--accent-color) !important;
}

/* Sidebar */
.sidebar {
    background: white !important; /* Fallback */
    background: rgba(255, 255, 255, 0.8) !important;
    border-right: 1px solid rgba(0,0,0,0.05);
}

.sidebar .nav-link {
    color: var(--secondary-color);
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 0.25rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar .nav-link:hover {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-hover);
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: white;
    box-shadow: var(--shadow-md);
}

/* Typography Overrides */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--primary-color);
}

/* Buttons */
.btn {
    border-radius: var(--radius-md);
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    transition: all 0.2s;
    letter-spacing: 0.025em;
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 4px 6px -1px rgba(56, 189, 248, 0.4);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px -1px rgba(56, 189, 248, 0.5);
}

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

.main-content {
    animation: fadeIn 0.4s ease-out;
}

/* Form Controls */
.form-control, .form-select {
    border-radius: var(--radius-md);
    border: 1px solid #E2E8F0;
    padding: 0.75rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: rgba(255, 255, 255, 0.9);
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

/* Progress Bars */
.progress {
    border-radius: 9999px;
    background-color: #E2E8F0;
    height: 0.75rem;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent-color), var(--success-color));
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: #94A3B8;
    border-top: 1px solid rgba(255,255,255,0.1);
}