:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #64748b;
    --bg-light: #f8fafc;
    --text-dark: #0f172a;
    --font-main: 'Outfit', sans-serif;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    /* Modern Mesh Gradient Background */
    background-color: #f8fafc;
    background-image: 
        radial-gradient(at 0% 0%, hsla(217,91%,87%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,96%,90%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(217,91%,87%,1) 0, transparent 50%);
    background-attachment: fixed; /* Ensures gradient stays when scrolling */
    min-height: 100vh;
}

/* --- Components Adaptability --- */
.card, .navbar, .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.8) !important; /* Semi-transparent for glass effect */
    backdrop-filter: blur(12px); /* Frosted glass effect */
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
}

.modern-navbar {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 20px -5px rgba(0, 0, 0, 0.05);
}

.logo-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-dark) !important;
    transition: all 0.2s;
}

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

/* --- Buttons --- */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 10px 20px -5px rgba(59, 130, 246, 0.4); /* Enhanced shadow on hover */
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
}

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

.shadow-primary {
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

.shadow-primary-sm {
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.2);
}

/* --- Upload Area --- */
.upload-area {
    border: 2px dashed #cbd5e1;
    border-radius: 1rem;
    padding: 3rem;
    text-align: center;
    transition: all 0.3s;
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(5px);
    cursor: pointer;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(239, 246, 255, 0.8);
}

/* --- Loading Overlay --- */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Auth Pages --- */
.auth-wrapper {
    min-height: 100vh;
    overflow: hidden;
}

.auth-sidebar {
    background: linear-gradient(135deg, #0f172a 0%, #1e40af 100%);
    position: relative;
    overflow: hidden;
    color: white;
}

.auth-sidebar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

.auth-sidebar-content {
    position: relative;
    z-index: 2;
}

.auth-form-container {
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-input-group .input-group-text {
    background: transparent;
    border-right: none;
    color: #94a3b8;
}

.auth-input-group .form-control {
    border-left: none;
    padding-left: 0;
    background-color: transparent;
    color: var(--text-dark);
}

.auth-input-group .form-control:focus {
    box-shadow: none;
    border-color: #dee2e6;
}

.auth-input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    border-radius: 0.375rem;
}

.auth-input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- Utilities --- */
.object-fit-cover {
    object-fit: cover;
}

/* Hover Effect for Feature Cards */
.hover-up {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-up:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1) !important;
}

/* --- Modern Accordion --- */
.custom-accordion .accordion-button {
    background-color: white;
    color: var(--text-dark);
    box-shadow: none;
}

.custom-accordion .accordion-button:not(.collapsed) {
    background-color: rgba(59, 130, 246, 0.05); /* Light blue bg when active */
    color: var(--primary-color);
}

.custom-accordion .accordion-button:focus {
    box-shadow: none;
    border-color: rgba(0,0,0,.125);
}

.custom-accordion .accordion-body {
    background-color: white;
}