/* ============================================
   REUSABLE COMPONENTS - MOBILE FIX
   ============================================ */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    min-height: 44px;
    box-sizing: border-box;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: var(--transition-normal);
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: 
        0 0 20px rgba(0, 36, 85, 0.4),
        inset 0 1px 0 rgba(255,255,255,0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 10px 30px rgba(0, 36, 85, 0.5),
        0 0 30px rgba(0, 240, 255, 0.2);
    border-color: rgba(0, 240, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--golden);
    border: 1px solid var(--golden);
    box-shadow: 0 0 10px rgba(252, 191, 73, 0.1);
}

.btn-secondary:hover {
    background: rgba(252, 191, 73, 0.1);
    transform: translateY(-2px);
    box-shadow: 
        0 10px 30px rgba(252, 191, 73, 0.2),
        0 0 20px rgba(252, 191, 73, 0.3);
}

.btn-full {
    width: 100%;
}

/* Social Links */
.social-link {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    background: var(--cyber-panel);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyber-text);
    font-size: 1.1rem;
    transition: var(--transition-normal);
    border: 1px solid var(--cyber-border);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
    flex-shrink: 0;
}

.social-link:hover {
    background: rgba(252, 191, 73, 0.1);
    color: var(--golden);
    transform: translateY(-2px);
    border-color: var(--golden);
    box-shadow: 
        0 10px 30px rgba(0,0,0,0.3),
        0 0 20px rgba(252, 191, 73, 0.3);
}

/* Modern Cards */
.modern-card {
    background: var(--cyber-panel);
    border: 1px solid var(--cyber-border);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 20px rgba(0,0,0,0.2),
        inset 0 1px 0 rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-warm);
    opacity: 0;
    transition: var(--transition-normal);
}

.modern-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
    transition: 0.5s;
}

.modern-card:hover {
    transform: translateY(-5px);
    border-color: var(--cyber-neon);
    background: rgba(0, 240, 255, 0.05);
    box-shadow: 
        0 20px 40px rgba(0,0,0,0.3),
        0 0 30px rgba(0, 240, 255, 0.1);
}

.modern-card:hover::before {
    opacity: 1;
}

.modern-card:hover::after {
    left: 100%;
}

/* Code Window Component - Desktop */
.code-window {
    background: rgba(5, 7, 20, 0.8);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--cyber-border);
    width: 100%;
    max-width: 450px;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-slow);
    backdrop-filter: blur(20px);
    box-shadow: 
        0 20px 60px rgba(0,0,0,0.5),
        0 0 0 1px rgba(252, 191, 73, 0.1),
        inset 0 1px 0 rgba(255,255,255,0.05);
}

.code-window:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    box-shadow: 
        0 30px 60px rgba(0,0,0,0.6),
        0 0 30px rgba(0, 240, 255, 0.1),
        inset 0 1px 0 rgba(255,255,255,0.1);
    border-color: rgba(0, 240, 255, 0.3);
}

.window-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--cyber-border);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.3);
    flex-shrink: 0;
}

.dot.red { background: var(--vibrant-red); }
.dot.yellow { background: var(--golden); }
.dot.green { background: #10B981; }

.window-title {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.window-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
    color: var(--cyber-text);
}

.window-body pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Code Syntax Colors */
.code-keyword { color: var(--cyber-neon); text-shadow: 0 0 5px rgba(0, 240, 255, 0.3); }
.code-variable { color: #9cdcfe; }
.code-property { color: var(--text-light); }
.code-string { color: var(--golden); }
.code-number { color: #b5cea8; }
.code-boolean { color: var(--bright-red); }

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.25rem;
    background: var(--cyber-panel);
    border: 1px solid var(--cyber-border);
    padding: 0.25rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    box-shadow: 
        inset 0 1px 0 rgba(255,255,255,0.05),
        0 4px 20px rgba(0,0,0,0.3);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.8rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 36px;
}

.lang-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-warm);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.lang-btn:hover {
    color: var(--golden);
    text-shadow: 0 0 10px rgba(252, 191, 73, 0.5);
}

.lang-btn.active {
    background: var(--gradient-warm);
    color: var(--midnight);
    box-shadow: 
        0 0 15px rgba(252, 191, 73, 0.4),
        inset 0 1px 0 rgba(255,255,255,0.3);
    font-weight: 600;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--cyber-panel);
    color: var(--golden);
    border: 1px solid var(--cyber-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    z-index: 999;
    cursor: pointer;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: rgba(252, 191, 73, 0.1);
    transform: translateY(-5px);
    border-color: var(--golden);
    box-shadow: 
        0 15px 40px rgba(0,0,0,0.4),
        0 0 30px rgba(252, 191, 73, 0.3);
}

/* ============================================
   MOBILE BREAKPOINTS
   ============================================ */

@media (max-width: 768px) {
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.8rem;
        min-height: 44px;
    }

    .social-link {
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }

    .modern-card {
        padding: 1.25rem;
    }

    /* Code Window Mobile Override */
    .code-window {
        max-width: 100%;
        transform: none;
        border-radius: 10px;
    }

    .window-header {
        padding: 0.625rem 0.875rem;
    }

    .dot {
        width: 10px;
        height: 10px;
    }

    .window-title {
        font-size: 0.75rem;
        max-width: 120px;
    }

    .window-body {
        padding: 1rem;
        font-size: 0.75rem;
        line-height: 1.6;
    }

    .window-body pre {
        font-size: 0.75rem;
    }

    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 0.7rem 1rem;
        font-size: 0.75rem;
    }

    .social-link {
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
    }

    .modern-card {
        padding: 1rem;
    }

    /* Code Window Small */
    .code-window {
        border-radius: 8px;
    }

    .window-header {
        padding: 0.5rem 0.75rem;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .window-title {
        font-size: 0.7rem;
        max-width: 100px;
    }

    .window-body {
        padding: 0.875rem;
        font-size: 0.7rem;
        line-height: 1.55;
    }

    .window-body pre {
        font-size: 0.7rem;
    }

    .lang-switcher {
        padding: 0.2rem;
    }

    .lang-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.75rem;
        min-height: 32px;
    }

    .back-to-top {
        width: 42px;
        height: 42px;
        font-size: 1.1rem;
    }
}

@media (max-width: 375px) {
    .btn {
        padding: 0.65rem 0.875rem;
        font-size: 0.7rem;
    }

    .social-link {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
    }

    /* Code Window Extra Small */
    .window-header {
        padding: 0.5rem 0.625rem;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .window-title {
        font-size: 0.65rem;
        max-width: 80px;
    }

    .window-body {
        padding: 0.75rem;
        font-size: 0.65rem;
        line-height: 1.5;
    }

    .window-body pre {
        font-size: 0.65rem;
    }

    .lang-switcher {
        padding: 0.15rem;
    }

    .lang-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
        min-height: 28px;
    }
}

@media (max-width: 320px) {
    .btn {
        padding: 0.6rem 0.75rem;
        font-size: 0.65rem;
    }

    .social-link {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }

    .modern-card {
        padding: 0.875rem;
    }

    /* Code Window Tiny */
    .window-header {
        padding: 0.4rem 0.5rem;
    }

    .window-title {
        font-size: 0.6rem;
        max-width: 70px;
    }

    .window-body {
        padding: 0.625rem;
        font-size: 0.6rem;
        line-height: 1.45;
    }

    .window-body pre {
        font-size: 0.6rem;
    }

    .lang-switcher {
        padding: 0.1rem;
    }

    .lang-btn {
        padding: 0.2rem 0.4rem;
        font-size: 0.65rem;
        min-height: 26px;
    }

    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}