/* ============================================
   Auth & Landing Pages Enhanced Styles
   ============================================ */

/* Page wrapper */
.auth-page {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
}

[data-theme="dark"] .auth-page {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

/* Auth container */
.auth-container {
    width: 100%;
    max-width: 420px;
}

/* Auth card */
.auth-card {
    background: #fff;
    border-radius: 16px;
    padding: var(--space-8);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .auth-card {
    background: #1e1e2e;
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Auth header */
.auth-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
}

.auth-icon .material-icons {
    font-size: 32px;
    color: #fff;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--color-text-primary, #111);
}

.auth-subtitle {
    color: var(--color-text-secondary, #666);
    font-size: 0.95rem;
}

/* Form styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary, #333);
}

.form-label .required {
    color: #ef4444;
    margin-left: 2px;
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    background: #f9fafb;
    transition: all 0.2s ease;
    color: var(--color-text-primary, #111);
}

.form-input:focus {
    outline: none;
    border-color: #6366f1;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

[data-theme="dark"] .form-input {
    background: #2a2a3e;
    border-color: #3a3a4e;
    color: #fff;
}

[data-theme="dark"] .form-input:focus {
    background: #2a2a3e;
    border-color: #6366f1;
}

/* Submit button */
.auth-submit {
    width: 100%;
    padding: var(--space-4);
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: var(--space-2);
}

.auth-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.auth-submit:active {
    transform: translateY(0);
}

/* Auth footer */
.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid #e5e7eb;
}

[data-theme="dark"] .auth-footer {
    border-top-color: #3a3a4e;
}

.auth-footer p {
    color: var(--color-text-secondary, #666);
    font-size: 0.9rem;
}

.auth-footer a {
    color: #6366f1;
    font-weight: 600;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Alert messages */
.auth-alert {
    padding: var(--space-4);
    border-radius: 10px;
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.auth-alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.auth-alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.auth-alert .material-icons {
    font-size: 20px;
}

/* ============================================
   Landing Page Styles
   ============================================ */

.landing-page {
    padding: var(--space-16) 0;
}

/* Hero section */
.landing-hero {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.landing-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: var(--space-4);
}

.landing-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, #111 0%, #444 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .landing-title {
    background: linear-gradient(135deg, #fff 0%, #ccc 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.landing-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary, #666);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

/* CTA buttons */
.landing-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border: none;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-size: 1rem;
    font-weight: 600;
    color: #6366f1;
    background: transparent;
    border: 2px solid #6366f1;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.1);
}

.landing-note {
    color: var(--color-text-secondary, #888);
    font-size: 0.85rem;
}

/* Section titles */
.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-8);
}

/* Feature cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-16);
}

.feature-card {
    background: #fff;
    padding: var(--space-6);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .feature-card {
    background: #1e1e2e;
    border-color: rgba(255, 255, 255, 0.08);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
}

.feature-icon .material-icons {
    font-size: 28px;
    color: #6366f1;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.feature-description {
    color: var(--color-text-secondary, #666);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Pricing cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-16);
}

.pricing-card {
    background: #fff;
    padding: var(--space-6);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border: 2px solid transparent;
    position: relative;
    transition: transform 0.2s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
}

.pricing-card.featured {
    border-color: #6366f1;
}

[data-theme="dark"] .pricing-card {
    background: #1e1e2e;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-3);
    background: #6366f1;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    white-space: nowrap;
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.pricing-credits {
    font-size: 3rem;
    font-weight: 800;
    color: #6366f1;
    line-height: 1;
}

.pricing-credits-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary, #666);
    margin-bottom: var(--space-4);
}

.pricing-amount {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.pricing-per {
    font-size: 0.85rem;
    color: var(--color-text-secondary, #666);
}

/* CTA section */
.landing-cta-section {
    text-align: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    padding: var(--space-12);
    border-radius: 16px;
}

[data-theme="dark"] .landing-cta-section {
    background: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
}

.landing-cta-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.landing-cta-section p {
    color: var(--color-text-secondary, #666);
    margin-bottom: var(--space-6);
}

/* Responsive - Tablet */
@media (max-width: 768px) {
    .landing-page {
        padding: var(--space-6) var(--space-4);
    }

    .landing-hero {
        margin-bottom: var(--space-10);
    }

    .landing-title {
        font-size: 2rem;
    }

    .landing-description {
        font-size: 1rem;
    }

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

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .pricing-card {
        padding: var(--space-6);
    }

    .pricing-card.featured {
        transform: none;
    }
}

/* Responsive - Mobile */
@media (max-width: 640px) {
    .auth-page {
        padding: var(--space-4);
    }

    .auth-card {
        padding: var(--space-5);
    }

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

    .auth-subtitle {
        font-size: 0.9rem;
    }

    .landing-page {
        padding: var(--space-4) var(--space-3);
    }

    .landing-hero {
        margin-bottom: var(--space-8);
    }

    .landing-badge {
        font-size: 0.7rem;
        padding: var(--space-2) var(--space-3);
    }

    .landing-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .landing-description {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .landing-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }

    .landing-note {
        font-size: 0.8rem;
    }

    .section-title {
        font-size: 1.35rem;
        margin-bottom: var(--space-6);
    }

    /* Feature grids - single column on mobile */
    .feature-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .feature-card {
        padding: var(--space-5);
    }

    .feature-icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--space-3);
    }

    .feature-icon .material-icons {
        font-size: 24px;
    }

    .feature-title {
        font-size: 1rem;
    }

    .feature-description {
        font-size: 0.85rem;
    }

    /* Pricing cards - full width stack */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .pricing-card {
        padding: var(--space-5);
    }

    .pricing-card.featured {
        transform: none;
        margin: 0;
    }

    .pricing-badge {
        font-size: 0.65rem;
        padding: var(--space-1) var(--space-3);
    }

    .pricing-name {
        font-size: 1rem;
    }

    .pricing-credits {
        font-size: 2.5rem;
    }

    .pricing-amount {
        font-size: 1.25rem;
    }

    .pricing-per {
        font-size: 0.8rem;
    }

    /* Buttons - full width with proper touch targets */
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: var(--space-4) var(--space-6);
        font-size: 1rem;
        min-height: 48px;
    }

    /* CTA section */
    .landing-cta-section {
        padding: var(--space-8) var(--space-4);
        margin: var(--space-10) calc(-1 * var(--space-3));
        border-radius: 0;
    }

    .landing-cta-section h2 {
        font-size: 1.35rem;
    }

    .landing-cta-section p {
        font-size: 0.9rem;
    }
}

/* Extra small screens */
@media (max-width: 380px) {
    .landing-title {
        font-size: 1.5rem;
    }

    .landing-description {
        font-size: 0.9rem;
    }

    .pricing-credits {
        font-size: 2rem;
    }

    .feature-card,
    .pricing-card {
        padding: var(--space-4);
    }
}