/* CRED-inspired Dark Theme & Light Theme Support */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700&display=swap');

:root {
    /* Dark Mode (Default) */
    --bg-color: #0f0f0f;
    --bg-gradient: radial-gradient(circle at 50% 0%, #2a2a2a 0%, #0f0f0f 70%);
    --card-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #3d3d3d;
    --hover-glow: rgba(255, 255, 255, 0.1);
    --card-border: 1px solid rgba(255, 255, 255, 0.05);
    --header-bg: rgba(15, 15, 15, 0.8);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --btn-bg: rgba(255, 255, 255, 0.05);
    --btn-hover: rgba(255, 255, 255, 0.1);
    --btn-active: #ffffff;
    --btn-active-text: #000000;
}

[data-theme="light"] {
    --bg-color: #f0f2f5;
    --bg-gradient: radial-gradient(circle at 50% 0%, #ffffff 0%, #f0f2f5 70%);
    --card-bg: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #5f6368;
    --accent-color: #e0e0e0;
    --hover-glow: rgba(0, 0, 0, 0.05);
    --card-border: 1px solid rgba(0, 0, 0, 0.05);
    --header-bg: rgba(240, 242, 245, 0.8);
    --glass-border: 1px solid rgba(0, 0, 0, 0.05);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --btn-bg: rgba(0, 0, 0, 0.05);
    --btn-hover: rgba(0, 0, 0, 0.1);
    --btn-active: #1a1a1a;
    --btn-active-text: #ffffff;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Manrope', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 20px 40px;
    background-image: var(--bg-gradient);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header Styles */
.main-header {
    width: 100%;
    max-width: 1400px;
    margin-bottom: 40px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--glass-border);
    padding: 20px 0;
    border-radius: 0 0 20px 20px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    margin-bottom: 20px;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.shortcuts {
    display: flex;
    gap: 15px;
    align-items: center;
}

.shortcuts a {
    display: flex;
    align-items: center;
    justify-content: center;

    /* Icon Links (X, LinkedIn) */
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--btn-bg);
    border: var(--glass-border);

}

.shortcuts a:hover {
    transform: translateY(-3px);
    background: var(--btn-hover);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.shortcuts img {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    object-fit: contain;
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--btn-hover);
    transform: rotate(15deg);
}

[data-theme="light"] .sun-icon {
    display: none;
}

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

/* Search Bar */
.search-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto 20px;
    position: relative;
}

.search-bar {
    width: 100%;
    background: var(--card-bg);
    border: var(--card-border);
    border-radius: 20px;
    padding: 16px 24px;
    font-size: 1.1rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.search-bar:focus {
    border-color: var(--text-secondary);
    box-shadow: 0 8px 30px var(--shadow-color);
    transform: translateY(-2px);
}

.search-bar::placeholder {
    color: var(--text-secondary);
}

/* Category Toolbar */
.category-toolbar {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 0 20px;
}

.cat-btn {
    background: var(--btn-bg);
    border: var(--glass-border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-family: 'Manrope', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.cat-btn:hover {
    background: var(--btn-hover);
    color: var(--text-primary);
}

.cat-btn.active {
    background: var(--btn-active);
    color: var(--btn-active-text);
    font-weight: 600;
    box-shadow: 0 4px 12px var(--shadow-color);
}

/* Grid Container */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
    width: 100%;
    max-width: 1400px;
    padding: 0 10px;
}

/* Card Styles */
.card {
    background: var(--card-bg);
    border: var(--card-border);
    border-radius: 20px;
    padding: 24px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 200px;
    justify-content: flex-start;
    padding-top: 40px;
}

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px var(--shadow-color);
}

.card-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.card h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    z-index: 1;
    transition: transform 0.3s ease;
}

.card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    position: absolute;
    bottom: 24px;
    left: 20px;
    right: 20px;
}

/* Hover Effects */
.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px var(--shadow-color);
    border-color: rgba(255, 255, 255, 0.1);
    background: var(--card-bg);
    /* Ensure bg stays solid */
}

.card:hover .card-icon {
    transform: translateY(-10px) scale(0.9);
    opacity: 0.8;
}

.card:hover h2 {
    transform: translateY(-10px);
}

.card:hover p {
    opacity: 1;
    transform: translateY(0);
}

/* Glow Effect */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, var(--hover-glow), transparent);
    transform: translateX(-100%);
    transition: 0.6s;
    z-index: 0;
    pointer-events: none;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 20px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .category-toolbar {
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 10px;
    }

    .cat-btn {
        white-space: nowrap;
    }
}