/* ===================================
   FitHabit - Page Styles
   =================================== */

/* NAVIGATION */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.875rem var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.nav-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.nav-links {
    display: none;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    gap: var(--space-sm);
}

.nav-mobile-btn {
    display: block;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .nav-mobile-btn {
        display: none;
    }
}

/* BOTTOM NAV (Mobile Dashboard) */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border-light);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    justify-content: space-around;
    z-index: 100;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--space-sm);
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.bottom-nav-item.active {
    color: var(--primary);
}

.bottom-nav-item:hover {
    color: var(--primary);
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px var(--space-md) var(--space-3xl);
    background: linear-gradient(180deg, var(--primary-lighter) 0%, var(--background) 50%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.hero-title span {
    color: var(--primary);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 120px;
}

@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* FEATURES SECTION */
.section {
    padding: var(--space-3xl) var(--space-md);
}

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

.section-title {
    margin-bottom: var(--space-md);
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.features-grid {
    display: grid;
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    padding: var(--space-xl);
    text-align: center;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.feature-title {
    margin-bottom: var(--space-sm);
}

/* HOW IT WORKS */
.steps-grid {
    display: grid;
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

.step-number {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    background: var(--primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-xl);
}

/* CTA SECTION */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.cta-section h2,
.cta-section p {
    color: white;
}

.cta-section p {
    opacity: 0.9;
}

/* FOOTER */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--space-2xl) var(--space-md);
    text-align: center;
}

.footer p {
    color: rgba(255, 255, 255, 0.6);
}

/* AUTH PAGE */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
    background: var(--background);
}

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

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

.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-logo {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

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

.auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 500;
}

/* ONBOARDING */
.onboarding-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--background);
}

.onboarding-header {
    padding: var(--space-lg) var(--space-md);
    background: var(--surface);
    border-bottom: 1px solid var(--border-light);
}

.onboarding-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--space-xl) var(--space-md);
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

.onboarding-title {
    margin-bottom: var(--space-sm);
}

.onboarding-subtitle {
    margin-bottom: var(--space-xl);
}

.onboarding-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    flex: 1;
}

.onboarding-footer {
    padding: var(--space-lg) var(--space-md);
    background: var(--surface);
    border-top: 1px solid var(--border-light);
}

.onboarding-actions {
    display: flex;
    gap: var(--space-md);
    max-width: 600px;
    margin: 0 auto;
}

.onboarding-actions .btn {
    flex: 1;
}

/* DASHBOARD */
.dashboard-page {
    min-height: 100vh;
    background: var(--background);
    padding-bottom: 80px;
}

.dashboard-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--space-xl) var(--space-md);
    padding-top: calc(60px + var(--space-xl));
}

.dashboard-greeting {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.dashboard-greeting h2 {
    color: white;
    font-size: var(--font-size-xl);
}

.dashboard-greeting p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.dashboard-content {
    padding: var(--space-lg) var(--space-md);
    margin-top: -20px;
}

.dashboard-section {
    margin-bottom: var(--space-xl);
}

.dashboard-section-title {
    margin-bottom: var(--space-md);
    font-size: var(--font-size-lg);
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.quick-action-card {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.quick-action-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

/* FACILITIES */
.facilities-page {
    min-height: 100vh;
    background: var(--background);
    padding-top: 60px;
    padding-bottom: 80px;
}

.facilities-header {
    background: var(--surface);
    padding: var(--space-lg) var(--space-md);
    border-bottom: 1px solid var(--border-light);
}

.facilities-filters {
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
    padding-bottom: var(--space-sm);
}

.filter-chip {
    padding: 0.5rem 1rem;
    background: var(--surface-hover);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
}

.filter-chip.active {
    background: var(--primary);
    color: white;
}

.facilities-list {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.facility-card {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    cursor: pointer;
}

.facility-image {
    width: 100px;
    height: 100px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.facility-info {
    flex: 1;
}

.facility-name {
    font-weight: 600;
    margin-bottom: 4px;
}

.facility-meta {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    display: flex;
    gap: var(--space-md);
}

/* FACILITY DETAIL */
.facility-detail-page {
    min-height: 100vh;
    background: var(--background);
    padding-bottom: 100px;
}

.facility-hero {
    height: 250px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 80px;
}

.facility-header-back {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
}

.facility-detail-content {
    padding: var(--space-lg) var(--space-md);
    margin-top: -20px;
}

.classes-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.class-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
}

.class-time {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.booking-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    padding: var(--space-md);
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

/* ACTIVITY PAGE */
.activity-page {
    min-height: 100vh;
    background: var(--background);
    padding-top: 60px;
    padding-bottom: 80px;
}

.activity-header {
    background: var(--surface);
    padding: var(--space-lg) var(--space-md);
    border-bottom: 1px solid var(--border-light);
}

.activity-list {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--surface);
    border-radius: var(--radius-md);
}

.activity-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.activity-check {
    width: 28px;
    height: 28px;
    background: var(--success);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

/* PROFILE PAGE */
.profile-page {
    min-height: 100vh;
    background: var(--background);
    padding-top: 60px;
    padding-bottom: 80px;
}

.profile-header {
    background: var(--surface);
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.profile-avatar {
    margin: 0 auto var(--space-md);
}

.profile-name {
    margin-bottom: 4px;
}

.profile-email {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.profile-content {
    padding: var(--space-lg) var(--space-md);
}

.settings-section {
    margin-bottom: var(--space-xl);
}

.settings-title {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.settings-list {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-item:hover {
    background: var(--surface-hover);
}

.settings-item-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.settings-item-icon {
    color: var(--text-tertiary);
}

.settings-item-label {
    font-weight: 500;
}

.settings-item-value {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* MODAL */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--surface);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 400px;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-body {
    padding: var(--space-lg);
}

.modal-footer {
    padding: var(--space-lg);
    padding-top: 0;
    display: flex;
    gap: var(--space-md);
}

.modal-footer .btn {
    flex: 1;
}

.modal-success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--primary-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}