@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Global Reset & Modern Tokens */
:root {
    --bg-main: #f4f7fa;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --header-gradient: linear-gradient(135deg, #1e1b4b 0%, #312e81 40%, #4c1d95 100%);
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --card-shadow-hover: 0 20px 35px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -3px rgba(0, 0, 0, 0.03);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --accent-blue: #4f46e5;
    --accent-purple: #7c3aed;
}

/* Smooth Scrolling & Custom Scrollbar */
html {
    scroll-behavior: smooth;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Base Body Styling */
body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    margin: 0;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== HEADER NAV ===== */
.header-nav {
    background: var(--header-gradient);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 30px rgba(15, 23, 42, 0.18);
    padding: 0;
}

.header-nav nav {
    transition: var(--transition);
    padding-top: 0.65rem !important;
    padding-bottom: 0.65rem !important;
}

/* Brand Text */
.brand-text-group {
    line-height: 1.2;
}
.brand-title {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.2px;
}
.brand-subtitle {
    color: rgba(255, 255, 255, 0.65);
    font-weight: 500;
    font-size: 0.78rem;
    letter-spacing: 0.2px;
}

/* Brand logo animation */
.header-nav img {
    transition: var(--transition);
}
.header-nav img:hover {
    transform: scale(1.05) rotate(-2deg);
}

/* ===== LANGUAGE DROPDOWN ===== */
.lang-dropdown-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.lang-icon {
    position: absolute;
    left: 14px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    pointer-events: none;
    z-index: 1;
}

.language-dropdown {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: white;
    padding: 9px 38px 9px 36px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    font-family: inherit;
}

.language-dropdown:hover, .language-dropdown:focus {
    background-color: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.45);
    outline: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.language-dropdown option {
    color: #1e293b;
    background: white;
    font-weight: 500;
}

/* ===== MAIN CONTENT ===== */
.main-content-area {
    min-height: calc(100vh - 140px);
}

/* ===== MODERN CARD UTILITIES ===== */
.app-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    overflow: hidden;
}
.app-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px);
}

/* ===== FOOTER ===== */
.footer {
    background-color: #ffffff;
    border-top: 1px solid #e2e8f0;
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.02);
}

.footer-copy {
    color: var(--text-secondary);
    font-weight: 500;
}

.footer-version {
    font-size: 0.72rem;
    color: #94a3b8;
    margin-top: 2px;
    font-weight: 500;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .brand-title {
        font-size: 0.95rem;
    }
    .brand-subtitle {
        font-size: 0.7rem;
    }
    .language-dropdown {
        font-size: 0.78rem;
        padding: 7px 30px 7px 30px;
    }
}