/*
 * Custom Theme - Apple-style design with Dark Mode support
 * Matching catalin.info style
 */

/* CSS Variables */
:root {
    --bg-page: #F5F7FA;
    --bg-card: #FFFFFF;
    --text-primary: #1D1D1F;
    --text-secondary: #6E6E73;
    --text-muted: #86868B;
    --button-bg: #1D1D1F;
    --button-hover: #000000;
    --button-text: #FFFFFF;
    --border-color: #D2D2D7;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-lg: rgba(0, 0, 0, 0.12);
    --accent: #0071E3;
    --avatar-border: #FFFFFF;
}

body.dark-mode {
    --bg-page: #1a1a1a;
    --bg-card: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #888888;
    --button-bg: #3a3a3a;
    --button-hover: #4a4a4a;
    --button-text: #ffffff;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-lg: rgba(0, 0, 0, 0.5);
    --avatar-border: #ffffff;
}

/* Base Styles */
* {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif !important;
    box-sizing: border-box;
}

html {
    font-size: 100%;
    color-scheme: light dark;
}

body {
    background: var(--bg-page) !important;
    color: var(--text-primary) !important;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Top Bar with Social Icons */
.top-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 20px;
    background: var(--bg-page);
}

.top-bar a {
    color: var(--text-primary);
    font-size: 18px;
    opacity: 0.8;
    transition: opacity 0.2s ease, transform 0.2s ease;
    text-decoration: none;
}

.top-bar a:hover {
    opacity: 1;
    transform: scale(1.1);
}

.top-bar svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Container */
.container {
    position: relative;
    width: 100%;
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
    padding: 0 20px 40px;
}

/* Card Wrapper */
.column {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 4px 16px var(--shadow);
    padding: 85px 40px 48px;
    margin-top: 65px;
    margin-bottom: 40px;
    position: relative;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

body.dark-mode .column {
    box-shadow: none;
}

/* Avatar - positioned at top edge of card */
.avatar {
    width: 130px;
    height: 130px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--avatar-border);
    transition: transform 0.3s ease;
    position: absolute;
    top: -65px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.avatar:hover {
    transform: translateX(-50%) scale(1.03);
}

/* Typography - matching catalin.info */
h1 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.2;
    text-transform: uppercase;
}

p {
    margin-top: 0;
    margin-bottom: 2rem;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Buttons */
.button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px 20px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    background: var(--button-bg);
    color: var(--button-text);
    box-shadow: 0 2px 8px var(--shadow);
    transition: all 0.2s ease;
    cursor: pointer;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow-lg);
    background: var(--button-hover);
    color: var(--button-text);
}

.button:active {
    transform: translateY(0);
}

/* Icons in buttons */
.button .icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

/* Brand Colors - Light Mode */
.button-github { background: #24292e; }
.button-github:hover { background: #1b1f23; }

.button-linkedin, .button-linked { background: #0A66C2; }
.button-linkedin:hover, .button-linked:hover { background: #004182; }

.button-instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.button-instagram:hover { background: linear-gradient(45deg, #e6683c, #dc2743, #cc2366, #bc1888, #f09433); }

.button-x { background: #000000; }
.button-x:hover { background: #333333; }

.button-facebook, .button-faceb { background: #1877F2; }
.button-facebook:hover, .button-faceb:hover { background: #0d65d9; }

.button-youtube, .button-yt { background: #FF0000; }
.button-youtube:hover, .button-yt:hover { background: #cc0000; }

.button-tiktok { background: #000000; }
.button-tiktok:hover { background: #333333; }

.button-spotify { background: #1DB954; }
.button-spotify:hover { background: #1aa34a; }

.button-mastodon { background: #6364FF; }
.button-mastodon:hover { background: #4c4ddb; }

.button-threads { background: #000000; }
.button-threads:hover { background: #333333; }

.button-paypal { background: #003087; }
.button-paypal:hover { background: #001f5c; }

.button-revolut { background: #0075EB; }
.button-revolut:hover { background: #005bb5; }

.button-reddit { background: #FF4500; }
.button-reddit:hover { background: #cc3700; }

.button-wordpress { background: #21759B; }
.button-wordpress:hover { background: #1a5c7a; }

.button-cal { background: #292929; }
.button-cal:hover { background: #1a1a1a; }

.button-default { 
    background: var(--button-bg); 
    color: var(--button-text);
}
.button-default:hover { 
    background: var(--button-hover); 
}

/* Dark Mode Button Adjustments */
body.dark-mode .button {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

body.dark-mode .button:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
}

body.dark-mode .button-default {
    background: #2d2d2d;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .button-default:hover {
    background: #3d3d3d;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    padding: 0;
    backdrop-filter: blur(10px);
}

.dark-mode-toggle:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.dark-mode-toggle:active {
    transform: translateY(0) scale(0.98);
}

.dark-mode-toggle .icon-sun,
.dark-mode-toggle .icon-moon {
    position: absolute;
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    stroke-width: 1.5;
}

.dark-mode-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.dark-mode-toggle .icon-moon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.8);
}

body.dark-mode .dark-mode-toggle {
    background: var(--bg-card);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

body.dark-mode .dark-mode-toggle:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.15);
}

body.dark-mode .dark-mode-toggle .icon-sun {
    opacity: 0;
    transform: rotate(90deg) scale(0.8);
}

body.dark-mode .dark-mode-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Links */
a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent);
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 640px) {
    .top-bar {
        gap: 16px;
        padding: 16px;
    }
    
    .top-bar svg {
        width: 18px;
        height: 18px;
    }
    
    .container {
        padding: 0 16px 40px;
    }
    
    .column {
        margin-top: 55px;
        margin-bottom: 80px;
        padding: 75px 24px 40px;
        border-radius: 12px;
    }
    
    .avatar {
        width: 110px;
        height: 110px;
        top: -55px;
    }
    
    h1 {
        font-size: 1.4rem;
    }
    
    p {
        font-size: 0.7rem;
    }
    
    .button {
        padding: 12px 16px;
        font-size: 0.85rem;
        border-radius: 10px;
    }
    
    .dark-mode-toggle {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
    
    .dark-mode-toggle svg {
        width: 20px;
        height: 20px;
    }
}