/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Comfortaa', sans-serif;
    line-height: 1.6;
    color: #e1e5e9;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo img {
    height: 40px;
    width: auto;
}

.nav-logo h1 {
    color: #667eea;
    font-size: 1.8rem;
    font-weight: 700;
}

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

.nav-link {
    text-decoration: none;
    color: #b0b3b8;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #667eea;
    border-radius: 1px;
}

.auth-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-btn:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #667eea;
    margin: 3px 0;
    transition: 0.3s;
}

/* Main Content */
.main-content {
    margin-top: 120px; /* Increased to account for disclaimer */
    min-height: calc(100vh - 120px);
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* Sections */
.section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Feed Section */
.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feed-header h2 {
    color: #e1e5e9;
    font-size: 1.8rem;
}

.refresh-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.refresh-btn:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.posts-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #b0b3b8;
}

.loading i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 10px;
}

/* Post Cards */
.post-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(102, 126, 234, 0.3);
}

.post-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.post-avatar {
    width: 40px;
    height: 40px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 12px;
}

.post-author {
    font-weight: 600;
    color: #e1e5e9;
}

.post-time {
    color: #b0b3b8;
    font-size: 0.9rem;
    margin-left: auto;
}

.post-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #e1e5e9;
    margin-bottom: 10px;
}

.post-content {
    color: #b0b3b8;
    line-height: 1.6;
    margin-bottom: 15px;
}

.post-category {
    display: inline-block;
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 15px;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.post-actions {
    display: flex;
    gap: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 15px;
}

.action-btn {
    background: none;
    border: none;
    color: #b0b3b8;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.action-btn:hover {
    color: #667eea;
}

.action-btn.liked {
    color: #e74c3c;
}

/* Create Post Section */
.create-post-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.create-post-card h2 {
    color: #e1e5e9;
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.post-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: #e1e5e9;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px 15px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.05);
    color: #e1e5e9;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #b0b3b8;
}

.submit-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.submit-btn:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.submit-btn:disabled {
    background: #4a5568;
    cursor: not-allowed;
    transform: none;
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.5s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.auth-header .logo img {
    height: 50px;
    width: auto;
}

.auth-header h1 {
    color: #667eea;
    font-size: 2rem;
    margin-bottom: 10px;
}

.auth-header h2 {
    color: #e1e5e9;
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.auth-header p {
    color: #b0b3b8;
    font-size: 0.9rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
}

.auth-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-form .form-group label {
    font-weight: 500;
    color: #e1e5e9;
    font-size: 0.9rem;
}

.auth-form .form-group input {
    padding: 12px 15px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.05);
    color: #e1e5e9;
}

.auth-form .form-group input:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.1);
}

.auth-form .form-group small {
    color: #b0b3b8;
    font-size: 0.8rem;
    margin-top: 4px;
}

.auth-submit-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.auth-submit-btn:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.auth-submit-btn:disabled {
    background: #4a5568;
    cursor: not-allowed;
    transform: none;
}

.auth-divider {
    text-align: center;
    margin: 25px 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.auth-divider span {
    background: rgba(26, 26, 46, 0.95);
    padding: 0 15px;
    color: #b0b3b8;
    font-size: 0.9rem;
}

.google-auth-btn {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    color: #e1e5e9;
    border: 2px solid rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 25px;
}

.google-auth-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #667eea;
    transform: translateY(-2px);
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
}

.auth-footer p {
    color: #b0b3b8;
    font-size: 0.9rem;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.auth-footer a:hover {
    color: #5a6fd8;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #b0b3b8;
}

.empty-state i {
    font-size: 4rem;
    color: #667eea;
    margin-bottom: 20px;
    opacity: 0.7;
}

.empty-state h3 {
    color: #e1e5e9;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.empty-state p {
    color: #b0b3b8;
    font-size: 1rem;
}

/* Disclaimer */
.disclaimer {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 8px;
    padding: 12px 16px;
    margin: 90px auto 20px auto;
    text-align: center;
    max-width: 1200px;
    width: calc(100% - 40px);
    position: relative;
    z-index: 100;
}

.disclaimer p {
    margin: 0;
    color: #ffc107;
    font-size: 14px;
    font-weight: 500;
}

.disclaimer i {
    margin-right: 8px;
    color: #ffc107;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(26, 26, 46, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
        padding: 20px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .feed-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .container {
        padding: 0 10px;
    }

    .create-post-card,
    .auth-card {
        padding: 20px;
    }

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

    .nav-logo img {
        height: 35px;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mt-20 {
    margin-top: 20px;
}