/* Base Styles */
:root {
    --primary-color: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-light: #a78bfa;
    --secondary-color: #6366f1;
    --accent-color: #06b6d4;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-light: #f1f5f9;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(90deg, 
        #f8fafc 0%, 
        #e2e8f0 15%, 
        #cbd5e1 30%, 
        #64748b 50%, 
        #334155 70%, 
        #1e293b 85%, 
        #0f172a 100%);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-primary-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary-custom:hover::before {
    left: 100%;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-outline-primary-custom {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
    position: relative;
    overflow: hidden;
}

.btn-outline-primary-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn-outline-primary-custom:hover::before {
    width: 100%;
}

.btn-outline-primary-custom:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background: var(--bg-primary);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Form Elements */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-primary);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
    outline: none;
}

/* Badges */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

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

/* Gradients */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-bg {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

/* Simple Lightweight Loading Screen */
.simple-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0a1429;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease-out, visibility 0.6s;
}

.simple-loader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    text-align: center;
    color: white;
}

.loader-logo-img {
    height: 80px;
    width: auto;
    object-fit: contain;
    margin: 0 auto 1.5rem;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    animation: logoFadeIn 0.6s ease forwards;
    opacity: 0;
}

@keyframes logoFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.simple-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 2rem;
    border: 3px solid rgba(59, 130, 246, 0.2);
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-title {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    display: flex;
    justify-content: center;
    gap: 0.15rem;
}

.title-char {
    display: inline-block;
    opacity: 0;
    transform: translateY(15px);
    animation: charFadeIn 0.4s ease forwards;
}

.title-char:nth-child(1) { animation-delay: 0.1s; }
.title-char:nth-child(2) { animation-delay: 0.15s; }
.title-char:nth-child(3) { animation-delay: 0.2s; }
.title-char:nth-child(4) { animation-delay: 0.25s; }
.title-char:nth-child(5) { animation-delay: 0.3s; }
.title-char:nth-child(6) { animation-delay: 0.35s; }
.title-char:nth-child(7) { animation-delay: 0.4s; }
.title-char:nth-child(8) { animation-delay: 0.45s; }
.title-char:nth-child(9) { animation-delay: 0.5s; }

@keyframes charFadeIn {
    0% {
        opacity: 0;
        transform: translateY(15px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Body loaded state */
body:not(.loaded) {
    overflow: hidden;
}

body.loaded .simple-loader {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .loader-title {
        font-size: 1.75rem;
        gap: 0.1rem;
    }
    
    .simple-spinner {
        width: 40px;
        height: 40px;
        margin-bottom: 1.5rem;
    }
    
    .loader-logo-img {
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .navbar-logo-img {
        height: 32px;
    }
    
    .footer-logo-img {
        height: 35px;
    }
}