/* Common Styles - Shared across all pages */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

:root {
    --bg-color: #ffffff;
    --text-color: #2c3e50;
    --secondary-text: #34495e;
    --muted-text: #495057;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --card-border: #f1f3f5;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.12);
    --accent-color: #3498db;
    --accent-hover: #2980b9;
    --skill-bg: #f8f9fa;
    --skill-border: #e9ecef;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e8e8e8;
    --secondary-text: #b8b8b8;
    --muted-text: #a0a0a0;
    --border-color: #333333;
    --card-bg: #2d2d2d;
    --card-border: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.4);
    --accent-color: #4db8ff;
    --accent-hover: #66c2ff;
    --skill-bg: #363636;
    --skill-border: #404040;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-weight: 400;
    letter-spacing: -0.01em;
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

html, body {
    overflow: auto;
    scrollbar-width: none; /* Firefox */
}
body::-webkit-scrollbar, html::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Edge */
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.98);
        filter: blur(2px);
    }
    to {
        opacity: 1;
        transform: scale(1);
        filter: blur(0px);
    }
}

/* Navbar Styles */
.nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.nav-logo {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link.active {
    color: var(--accent-color);
    font-weight: 600;
}

/* Button Styles */
.btn {
    padding: 16px 32px;
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.95em;
    letter-spacing: -0.01em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    color: #ffffff;
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.3);
}

.btn i {
    font-size: 1.1em;
}

.nav-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
    flex-wrap: wrap;
}

/* Dark Mode Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 100px;
    height: 50px;
    border-radius: 25px;
    border: none;
    cursor: pointer;
    transition: all 0.4s ease;
    z-index: 1000;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #f4d03f 0%, #f1c40f 100%);
}

[data-theme="dark"] .theme-toggle {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

.theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.theme-toggle:active {
    transform: scale(0.98);
}

.toggle-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.toggle-text {
    display: none;
}

.toggle-slider {
    position: absolute;
    top: 5px;
    left: 5px;
    width: 40px;
    height: 40px;
    background: #ffffff;
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(0);
}

[data-theme="dark"] .toggle-slider {
    transform: translateX(50px);
}

.toggle-icon {
    font-size: 20px;
    transition: all 0.3s ease;
}

.sun-icon {
    opacity: 1;
    position: relative;
    color: #ffa500;
}

.sun-icon i {
    opacity: 1;
    font-size: 18px;
}

.moon-icon {
    color: #3498db;
    opacity: 0;
    position: absolute;
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
}

.stars {
    display: none;
}

[data-theme="dark"] .stars {
    display: none;
}

.star {
    display: none;
}

.star:nth-child(1) { display: none; }
.star:nth-child(2) { display: none; }
.star:nth-child(3) { display: none; }
.star:nth-child(4) { display: none; }

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-header {
        padding: 20px 15px;
    }

    .nav-links {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .nav-header {
        flex-direction: column;
        gap: 15px;
        padding: 20px 15px;
    }

    .btn {
        padding: 14px 24px;
        font-size: 0.9em;
    }

    .theme-toggle {
        width: 80px;
        height: 40px;
        bottom: 20px;
        right: 20px;
        border-radius: 20px;
    }

    .toggle-slider {
        width: 30px;
        height: 30px;
        top: 5px;
    }

    [data-theme="dark"] .toggle-slider {
        transform: translateX(40px);
    }

    .toggle-icon {
        font-size: 14px;
    }

    .sun-icon i {
        font-size: 14px;
    }
}