/* =============================================
   MY BLOG - Main Stylesheet
   Bold & Colorful Theme
   ============================================= */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary:    #FF6B6B;   /* coral red */
    --secondary:  #4ECDC4;   /* teal */
    --accent:     #FFE66D;   /* yellow */
    --purple:     #A855F7;   /* purple */
    --dark:       #1A1A2E;   /* deep navy */
    --light:      #F8F9FA;   /* off-white */
    --text:       #2D2D2D;
    --muted:      #6C757D;
    --white:      #FFFFFF;
    --gradient:   linear-gradient(135deg, #FF6B6B 0%, #A855F7 50%, #4ECDC4 100%);
    --shadow:     0 4px 20px rgba(0,0,0,0.12);
    --radius:     12px;
    --font-main:  'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text);
    background: var(--light);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--purple);
}

img {
    max-width: 100%;
    display: block;
}

/* --- Navigation --- */
.navbar {
    background: var(--dark);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    min-height: 64px;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--light);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--primary);
    color: var(--white);
}

.nav-links .btn-login {
    background: var(--gradient);
    color: var(--white) !important;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    font-weight: 700;
}

.nav-links .btn-login:hover {
    opacity: 0.85;
    background: var(--gradient);
}

/* --- Hero Section --- */
.hero {
    background: var(--gradient);
    color: var(--white);
    text-align: center;
    padding: 5rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.15);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.15;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.btn-primary {
    background: var(--white);
    color: var(--primary);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    margin-left: 1rem;
}

.btn-accent {
    background: var(--gradient);
    color: var(--white);
}

/* --- Main Content Container --- */
main {
    flex: 1;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--muted);
    font-size: 1.05rem;
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 4px;
    margin: 0.75rem auto 0;
}

/* --- Cards --- */
.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.card-body {
    padding: 1.5rem;
}

.card-tag {
    display: inline-block;
    background: var(--gradient);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.card p {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.card-meta {
    font-size: 0.85rem;
    color: var(--muted);
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

/* --- Grid Layouts --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* --- Sections Spacing --- */
.section {
    padding: 4rem 0;
}

.section-alt {
    background: var(--white);
}

/* --- Footer --- */
footer {
    background: var(--dark);
    color: var(--light);
    text-align: center;
    padding: 2rem 1.5rem;
    margin-top: auto;
}

footer .footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

footer .footer-links a {
    color: var(--secondary);
    font-size: 0.95rem;
}

footer .footer-links a:hover {
    color: var(--accent);
}

footer p {
    font-size: 0.85rem;
    opacity: 0.6;
}

/* --- Login Page --- */
.login-wrapper {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    padding: 2rem;
}

.login-box {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
}

.login-box h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 0.25rem;
    text-align: center;
}

.login-box .subtitle {
    text-align: center;
    color: var(--muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* --- Forms --- */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #E0E0E0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: var(--font-main);
    transition: border-color 0.2s;
    background: var(--white);
    color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.btn-full {
    width: 100%;
    padding: 0.85rem;
    font-size: 1.05rem;
    border-radius: 10px;
}

/* --- Blog specific --- */
.blog-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, #FF6B6B, #A855F7);
}

.blog-img-placeholder {
    width: 100%;
    height: 200px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

/* --- Gallery --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 1;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.gallery-item:hover {
    transform: scale(1.03);
}

/* --- About page --- */
.about-hero {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.avatar-placeholder {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

/* --- Contact page --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--muted);
}

.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* --- Page guard: hide body until auth check completes --- */
body.auth-pending {
    visibility: hidden;
}

/* --- Auth Nav (Login / Logout) --- */
.nav-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-user .user-greeting {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.btn-logout {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary) !important;
    padding: 0.4rem 1rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.btn-logout:hover {
    background: var(--primary);
    color: var(--white) !important;
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.25rem;
    }

    .nav-links a {
        font-size: 0.9rem;
        padding: 0.4rem 0.75rem;
    }

    .hero {
        padding: 3rem 1.5rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-hero {
        flex-direction: column;
        text-align: center;
    }

    .btn-secondary {
        margin-left: 0;
        margin-top: 0.75rem;
    }
}