:root {
    --primary-color: #4361ee;
    --primary-hover: #3a53d0;
    --secondary-color: #e2e6ea;
    --accent-color: #fca311;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --bg-body: #f1f5f9;
    --bg-card: #ffffff;
    --border-radius: 12px;
    --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-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-body);
    color: var(--text-dark);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    font-weight: 700;
}

/* Glassmorphism Navbar */
.navbar-glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Modern Cards */
.card {
    background-color: var(--bg-card);
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-img-top {
    height: 240px;
    object-fit: cover;
    transition: transform 0.5s;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

/* Buttons */
.btn {
    border-radius: 50px; /* Pill shape */
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* Form Inputs */
.form-control, .form-select {
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    padding: 0.7rem 1rem;
    transition: all 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

/* Modals */
.modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-header {
    border-bottom: 1px solid #f1f5f9;
    padding: 1.5rem;
}

.modal-body {
    padding: 2rem;
}

/* Auth Specifics */
.auth-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.auth-btn-group {
    display: flex;
    gap: 0.5rem;
    flex-direction: column;
}

/* Google Button Container */
.google-btn-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-bottom: 1rem;
}

/* Utilities */
.text-primary-custom { color: var(--primary-color); }
.bg-light-custom { background-color: #f8fafc !important; }

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1; 
}
::-webkit-scrollbar-thumb {
    background: #c1c1c1; 
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8; 
}

/* Preloader (Clean Modern) */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loader-holder {
    display: flex;
    gap: 10px;
}

.loader-holder div {
    width: 15px;
    height: 15px;
    background-color: var(--primary-color);
    border-radius: 50%;
    animation: loader 0.6s infinite alternate;
}

.loader-holder div:nth-child(2) { animation-delay: 0.2s; }
.loader-holder div:nth-child(3) { animation-delay: 0.4s; }

@keyframes loader {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(-10px); opacity: 0.5; }
}