@import url('variables.css');

/* Layout Containers */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.main-content {
    padding: 40px 0;
    min-height: calc(100vh - var(--header-height));
}

/* Header */
.site-header {
    background-color: var(--color-bg-card);
    height: var(--header-height);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo a {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--color-secondary);
}

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

.nav-link {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-sub);
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

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

.btn-login {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-base);
}

.btn-login:hover {
    background-color: var(--color-bg-base);
    border-color: var(--color-primary);
}

/* Hero Section */
.hero-section {
    background-color: var(--color-primary);
    color: var(--color-text-white);
    padding: 60px 0;
    text-align: center;
    margin-bottom: 40px;
}

.hero-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.8;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    color: var(--color-text-sub);
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-text-white);
    border-color: var(--color-primary);
}

/* Grid Layout */
.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

/* Link Card */
.link-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary);
}

.card-thumbnail {
    height: 140px;
    background-color: #eee;
    background-size: cover;
    background-position: center;
    position: relative;
}

.card-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(12, 24, 54, 0.9);
    color: white;
    font-size: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: bold;
}

.card-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-category {
    font-size: 11px;
    color: var(--color-secondary);
    font-weight: bold;
    text-transform: uppercase;
    margin-bottom: 5px;
    display: block;
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: 8px;
    color: var(--color-text-main);
    line-height: 1.4;
}

.card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-sub);
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f0f0f0;
    padding-top: 15px;
    margin-top: auto;
}

.bookmark-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.bookmark-btn:hover {
    color: #FFD700;
}

.visit-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.visit-link:hover {
    text-decoration: underline;
}

/* Footer */
.site-footer {
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: 40px 0;
    margin-top: 60px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* My Links / Proficiency Section */
.my-dashboard {
    display: grid;
    grid-template-columns: 2fr 1.2fr;
    gap: 30px;
    margin-bottom: 40px;
}

.proficiency-panel {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.panel-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.proficiency-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.user-rank {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-main);
}

.user-rank span {
    color: var(--color-secondary);
    background-color: rgba(62, 115, 255, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
}

.overall-progress {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-text-sub);
    font-weight: var(--font-weight-medium);
}

.progress-bar-main {
    height: 12px;
    background-color: #f0f0f0;
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill-main {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 6px;
    transition: width 1s ease-out;
}

.encouragement-box {
    background-color: var(--color-bg-base);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--color-secondary);
}

.encourage-msg {
    font-size: var(--font-size-sm);
    color: var(--color-text-main);
    line-height: 1.6;
    margin: 0;
}

/* Card Mastery Indicator */
.card-mastery-wrap {
    margin-bottom: 15px;
}

.mastery-label {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-bottom: 5px;
    display: flex;
    justify-content: space-between;
}

.mastery-bar-bg {
    height: 6px;
    background-color: #f0f0f0;
    border-radius: 3px;
    overflow: hidden;
}

.mastery-bar-fill {
    height: 100%;
    background-color: var(--color-secondary);
    border-radius: 3px;
}

.mastery-plus-btn {
    background: none;
    border: none;
    color: var(--color-secondary);
    cursor: pointer;
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 4px;
    background-color: rgba(62, 115, 255, 0.05);
    transition: var(--transition-base);
}

.mastery-plus-btn:hover {
    background-color: var(--color-secondary);
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .my-dashboard {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 10px;
        white-space: nowrap;
    }
}