/* Root Variables for Light Mode */
:root {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border-color: #dee2e6;
    --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
    --link-color: #0d6efd;
    --link-hover: #0a58ca;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --text-muted: #6c757d;
    --border-color: #404040;
    --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.4);
    --link-color: #6ea8fe;
    --link-hover: #9ec5fe;
}

/* Global Styles */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Header Styles */
header {
    background-color: var(--bg-secondary);
    border-bottom-color: var(--border-color) !important;
}

header h1 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

header .text-muted {
    color: var(--text-secondary) !important;
}

/* Dark Mode Toggle */
#darkModeToggle {
    border-color: var(--border-color);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

#darkModeToggle:hover {
    background-color: var(--bg-primary);
    border-color: var(--text-secondary);
}

/* Contact Dropdown */
.dropdown-menu {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Blog Post Cards */
.post-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.post-title {
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
    line-height: 1.3;
}

.post-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.post-date i {
    font-size: 0.75rem;
}

.post-body {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.8;
    white-space: pre-line;
}

/* Pagination */
.pagination {
    --bs-pagination-bg: var(--bg-secondary);
    --bs-pagination-border-color: var(--border-color);
    --bs-pagination-color: var(--text-primary);
    --bs-pagination-hover-bg: var(--bg-primary);
    --bs-pagination-hover-color: var(--text-primary);
    --bs-pagination-focus-bg: var(--bg-primary);
    --bs-pagination-active-bg: #0d6efd;
    --bs-pagination-active-border-color: #0d6efd;
    --bs-pagination-disabled-bg: var(--bg-secondary);
    --bs-pagination-disabled-color: var(--text-muted);
    --bs-pagination-disabled-border-color: var(--border-color);
}

.page-link {
    border-radius: 4px;
    margin: 0 0.25rem;
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    border-top-color: var(--border-color) !important;
}

footer .text-muted {
    color: var(--text-secondary) !important;
}

/* Alerts */
.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c2c7;
    color: #842029;
}

[data-theme="dark"] .alert-danger {
    background-color: #5a1f1f;
    border-color: #7a2e2e;
    color: #f8d7da;
}

/* Spinner */
.spinner-border {
    color: #0d6efd;
}

/* Bootstrap Overrides for Dark Mode */
[data-theme="dark"] .btn-primary {
    --bs-btn-bg: #0d6efd;
    --bs-btn-border-color: #0d6efd;
    --bs-btn-hover-bg: #0a58ca;
    --bs-btn-hover-border-color: #0a58ca;
}

[data-theme="dark"] .btn-outline-secondary {
    --bs-btn-color: var(--text-primary);
    --bs-btn-border-color: var(--border-color);
    --bs-btn-hover-bg: var(--bg-primary);
    --bs-btn-hover-color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .post-card {
        padding: 1.5rem;
    }

    .post-title {
        font-size: 1.5rem;
    }

    header .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 1rem;
    }

    header .d-flex > div:last-child {
        width: 100%;
        justify-content: space-between;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background-color: #0d6efd;
    color: white;
}

[data-theme="dark"] ::selection {
    background-color: #6ea8fe;
    color: #1a1a1a;
}