/* 
   Theme: Personal Links (Premium Dark/Light)
   Fonts: Outfit (Headings), Space Grotesk (Body)
*/

:root {
    /* Dark Mode Colors (Default) - Based on login_firebase */
    --bg-main: #0a0a0c;
    --bg-card: #131316;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent-primary: #6366f1; /* Indigo */
    --accent-glow: rgba(99, 102, 241, 0.15);
    --border-color: #27272a;
    
    /* Social Colors */
    --color-linkedin: #0a66c2;
    --color-github: #ffffff;
    --color-instagram: #e1306c;

    /* Gradients */
    --gradient-main: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    
    /* Variables */
    --radius-lg: 20px;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

:root.light-mode {
    /* Light Mode Colors - Based on sito-immobili */
    --bg-main: #EDE5D9;
    --bg-card: #F8F4F0;
    --text-primary: #3B2E24;
    --text-secondary: #806752;
    --accent-primary: #9C6C42; /* Warm Copper */
    --accent-glow: rgba(156, 108, 66, 0.15);
    --border-color: #D6CAba;

    /* Social Colors */
    --color-github: #24292e;

    /* Gradients */
    --gradient-main: linear-gradient(135deg, #9C6C42 0%, #7D512E 100%);
}

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

body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
}

/* Base Layout */
.app-container {
    max-width: 680px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 10;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
    box-shadow: 0 6px 16px var(--accent-glow);
}

.theme-toggle .light-icon { display: none; }
:root.light-mode .theme-toggle .dark-icon { display: none; }
:root.light-mode .theme-toggle .light-icon { display: block; }

/* Profile Section */
.profile-section {
    width: 100%;
    text-align: center;
    margin-bottom: 2.5rem;
    animation: fadeInDown 0.8s ease backwards;
}

.avatar-container {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    padding: 4px;
    background: var(--gradient-main);
    box-shadow: 0 10px 25px var(--accent-glow);
}

.avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg-main);
    transition: border-color var(--transition-smooth);
}

.profile-name {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.profile-bio {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 500;
}

/* Links Section */
.links-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3rem;
}

.link-card {
    background-color: rgba(19, 19, 22, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all var(--transition-smooth);
    opacity: 0; /* for animation */
    transform: translateY(20px);
}

:root.light-mode .link-card {
    background-color: rgba(248, 244, 240, 0.7);
}

.link-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px var(--accent-glow);
    background-color: var(--bg-card);
}

.link-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-main);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-primary);
    flex-shrink: 0;
    transition: all var(--transition-smooth);
}

.link-card:hover .link-icon {
    background: var(--accent-primary);
    color: #fff;
}

.link-content {
    flex-grow: 1;
}

.link-content h2 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
    transition: color var(--transition-fast);
}

.link-card:hover .link-content h2 {
    color: var(--accent-primary);
}

.link-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Social Footer */
.social-footer {
    width: 100%;
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    animation: fadeInUp 0.8s ease backwards;
    animation-delay: 0.6s;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.social-icon:hover {
    transform: translateY(-3px);
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
    box-shadow: 0 5px 15px var(--accent-glow);
}

.copyright {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Decorative Background Blobs */
.decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    transition: background-color var(--transition-smooth);
}

.blob-1 {
    width: 400px;
    height: 400px;
    background-color: var(--accent-primary);
    top: -100px;
    right: -100px;
    animation: float 15s infinite ease-in-out;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background-color: var(--accent-primary);
    bottom: -50px;
    left: -50px;
    opacity: 0.2;
    animation: float 20s infinite ease-in-out reverse;
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
    100% { transform: translate(0, 0); }
}

/* Staggered link animations */
.link-anim-in {
    animation: fadeInUp 0.6s ease forwards;
}