/* assets/css/style.css */

:root {
    /* Brand Colors */
    --clr-deep-blue: #142C8E;
    --clr-royal-blue: #1F4CC9;
    --clr-gold: #FFD500;
    --clr-white: #FFFFFF;
    
    /* Light Theme Setup */
    --bg-gradient: linear-gradient(135deg, var(--clr-deep-blue) 0%, var(--clr-royal-blue) 100%);
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(255, 255, 255, 0.2);
    --text-primary: #333333;
    --text-muted: #6c757d;
    --input-bg: #f8f9fa;
    --input-border: #dee2e6;
    --input-focus: rgba(31, 76, 201, 0.25);
}

[data-theme="dark"] {
    /* Dark Theme Setup */
    --bg-gradient: linear-gradient(135deg, #0a1647 0%, #102766 100%);
    --card-bg: rgba(20, 25, 40, 0.85);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8f9fa;
    --text-muted: #adb5bd;
    --input-bg: #1a2238;
    --input-border: #2d3753;
    --input-focus: rgba(255, 213, 0, 0.25);
}

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

/* Islamic Geometric Pattern via CSS Background */
body::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(30deg, rgba(255,255,255,0.03) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.03) 87.5%, rgba(255,255,255,0.03)),
        linear-gradient(150deg, rgba(255,255,255,0.03) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.03) 87.5%, rgba(255,255,255,0.03)),
        linear-gradient(30deg, rgba(255,255,255,0.03) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.03) 87.5%, rgba(255,255,255,0.03)),
        linear-gradient(150deg, rgba(255,255,255,0.03) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.03) 87.5%, rgba(255,255,255,0.03)),
        linear-gradient(60deg, rgba(255,255,255,0.03) 25%, transparent 25.5%, transparent 75%, rgba(255,255,255,0.03) 75%, rgba(255,255,255,0.03)),
        linear-gradient(60deg, rgba(255,255,255,0.03) 25%, transparent 25.5%, transparent 75%, rgba(255,255,255,0.03) 75%, rgba(255,255,255,0.03));
    background-size: 80px 140px;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px, 0 0, 40px 70px;
    z-index: -1;
}

/* Layout Utilities */
.login-wrapper {
    z-index: 1;
}
.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

/* Header Text */
.kampus-title {
    color: var(--clr-gold);
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: 2px;
    margin-bottom: 0.2rem;
}
.kampus-subtitle {
    color: var(--clr-white);
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}
.kampus-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    font-weight: 300;
}

/* Glassmorphism Card */
.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    color: var(--text-primary);
}

/* Form Elements */
.form-label {
    font-size: 0.9rem;
    color: var(--text-primary);
}
.input-group-text {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-muted);
    border-right: none;
}
.form-control {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
    border-left: none;
    padding-left: 0;
}
.form-control:focus {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--input-border);
    box-shadow: none;
}
.input-group:focus-within {
    box-shadow: 0 0 0 0.25rem var(--input-focus);
    border-radius: 0.375rem;
}

/* Password Toggle */
.toggle-password {
    border-color: var(--input-border);
    color: var(--text-muted);
}
.toggle-password:hover {
    background: transparent;
    color: var(--clr-royal-blue);
}

/* Button & Links */
.btn-login {
    background: linear-gradient(to right, var(--clr-deep-blue), var(--clr-royal-blue));
    border: none;
    border-radius: 8px;
    font-weight: 600;
    padding: 12px;
    transition: all 0.3s ease;
}
.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(31, 76, 201, 0.4);
}
.fs-sm {
    font-size: 0.85rem;
}
.forgot-link {
    color: var(--clr-royal-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}
[data-theme="dark"] .forgot-link {
    color: var(--clr-gold);
}

/* Animations */
.header-anim {
    animation: fadeInDown 0.8s ease forwards;
}
.card-anim {
    animation: slideUpFade 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.4);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(5px);
    z-index: 100;
    transition: 0.3s;
}
.theme-toggle:hover {
    background: rgba(255,255,255,0.3);
    transform: rotate(15deg);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.text-gold {
    color: var(--clr-gold) !important;
}