/* ============================================ */
/* Futsal Ball Harapan Indah - Style CSS        */
/* Mobile First | Premium Design | 2026         */
/* ============================================ */

/* ---------- RESET & BASE ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --primary-light: #FFF0EA;
    --secondary: #00C853;
    --danger: #FF1744;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-400: #BDBDBD;
    --gray-500: #9E9E9E;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    --dark: #263238;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
    --radius: 16px;
    --radius-lg: 24px;
    --radius-full: 50px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--gray-50);
    color: var(--dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ---------- CONTAINER ---------- */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 640px) {
    .container {
        max-width: 600px;
        padding: 0 24px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 800px;
        padding: 0 32px;
    }
}

/* ---------- UTILITY ---------- */
.highlight {
    color: var(--primary);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
    opacity: 0.3;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-label::before {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

@media (min-width: 640px) {
    .section-title {
        font-size: 2.25rem;
    }
}

/* ---------- BUTTONS ---------- */
.btn-primary,
.btn-secondary,
.btn-whatsapp,
.btn-large,
.btn-block {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    min-height: 52px;
    text-align: center;
    min-width: 44px;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--gray-300);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover,
.btn-secondary:focus {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover,
.btn-whatsapp:focus {
    background: #1DA851;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
}

.btn-large {
    font-size: 1.125rem;
    padding: 16px 36px;
    min-height: 60px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-booking-header {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 10px 18px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    transition: var(--transition);
    min-height: 44px;
}

.btn-booking-header:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
}

.btn-admin-header {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--gray-200);
    color: var(--gray-600);
    border-radius: 50%;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-admin-header:hover {
    background: var(--gray-300);
    color: var(--dark);
}

/* ---------- HEADER ---------- */
.app-header {
    background: var(--white);
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.92);
}

.header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--dark);
    line-height: 1.1;
    display: block;
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--gray-500);
    letter-spacing: 0.05em;
    display: block;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------- HERO SECTION ---------- */
.hero-section {
    padding: 40px 0 48px;
    background: linear-gradient(180deg, var(--primary-light) 0%, var(--white) 100%);
    text-align: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--white);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1.15;
    color: var(--dark);
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 3rem;
    }
}

.hero-description {
    font-size: 1rem;
    color: var(--gray-700);
    max-width: 400px;
    margin: 0 auto;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 360px;
    margin-top: 8px;
}

@media (min-width: 480px) {
    .hero-actions {
        flex-direction: row;
    }
    .hero-actions .btn-primary,
    .hero-actions .btn-whatsapp {
        flex: 1;
    }
}

/* ---------- BENEFIT SECTION ---------- */
.benefit-section {
    padding: 48px 0 56px;
    background: var(--white);
    text-align: center;
}

.benefit-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 8px;
}

@media (min-width: 640px) {
    .benefit-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit-card {
    background: var(--gray-50);
    padding: 28px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin: 0 auto 12px;
}

.benefit-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.5;
}

/* ---------- BOOKING SECTION ---------- */
.booking-section {
    padding: 48px 0 56px;
    background: var(--gray-50);
}

.booking-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    box-shadow: var(--shadow-md);
}

.booking-step {
    margin-bottom: 24px;
}

.booking-step:last-child {
    margin-bottom: 0;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.step-header h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
}

.date-picker-wrapper {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

@media (min-width: 480px) {
    .date-picker-wrapper {
        flex-direction: row;
    }
    .date-picker-wrapper .form-input {
        flex: 1;
    }
}

/* ---------- FORM ---------- */
.form-input {
    width: 100%;
    padding: 14px 16px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    background: var(--white);
    transition: var(--transition);
    min-height: 52px;
    appearance: none;
    -webkit-appearance: none;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.15);
}

.form-input.error {
    border-color: var(--danger);
}

.form-input.error:focus {
    box-shadow: 0 0 0 4px rgba(255, 23, 68, 0.15);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.required {
    color: var(--danger);
}

.error-message {
    font-size: 0.8rem;
    color: var(--danger);
    margin-top: 4px;
    display: none;
}

.error-message.visible {
    display: block;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.field-selection {
    padding: 12px 14px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 2px dashed var(--gray-300);
    font-size: 0.9rem;
    color: var(--gray-600);
    min-height: 48px;
    display: flex;
    align-items: center;
}

/* ---------- FIELD GRID ---------- */
.field-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.field-card {
    padding: 16px 12px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.field-card:hover:not(.disabled) {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.field-card.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.field-card.available {
    border-color: var(--secondary);
    background: #E8F5E9;
}

.field-card.booked {
    border-color: var(--danger);
    background: #FFEBEE;
    cursor: not-allowed;
    opacity: 0.7;
}

.field-card.disabled {
    border-color: var(--gray-400);
    background: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.5;
}

.field-card .field-number {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
}

.field-card .field-status {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.field-card.available .field-status {
    color: var(--secondary);
}

.field-card.booked .field-status {
    color: var(--danger);
}

/* ---------- JAM GRID ---------- */
.jam-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 8px;
}

.jam-slot {
    padding: 12px 8px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.jam-slot:hover:not(.booked):not(.disabled) {
    border-color: var(--primary);
    background: var(--primary-light);
}

.jam-slot.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--white);
}

.jam-slot.booked {
    border-color: var(--danger);
    background: #FFEBEE;
    color: var(--danger);
    cursor: not-allowed;
    opacity: 0.6;
}

.jam-slot.disabled {
    border-color: var(--gray-400);
    background: var(--gray-100);
    color: var(--gray-400);
    cursor: not-allowed;
}

/* ---------- MODAL ---------- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 16px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    max-width: 400px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 12px;
}

.modal-content h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-content p {
    color: var(--gray-600);
    margin-bottom: 20px;
}

.booking-detail-summary {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 20px;
    text-align: left;
    font-size: 0.9rem;
}

.booking-detail-summary div {
    padding: 4px 0;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-200);
}

.booking-detail-summary div:last-child {
    border-bottom: none;
}

.booking-detail-summary .label {
    color: var(--gray-600);
}

.booking-detail-summary .value {
    font-weight: 600;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ---------- TESTIMONI ---------- */
.testimoni-section {
    padding: 48px 0 56px;
    background: var(--white);
    text-align: center;
}

.testimoni-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 8px;
}

@media (min-width: 640px) {
    .testimoni-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.testimoni-card {
    background: var(--gray-50);
    padding: 24px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.testimoni-stars {
    color: #FFB300;
    font-size: 0.9rem;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.testimoni-card p {
    font-size: 0.95rem;
    color: var(--dark);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 12px;
}

.testimoni-author {
    display: flex;
    flex-direction: column;
}

.testimoni-author strong {
    font-weight: 700;
    font-size: 0.9rem;
}

.testimoni-author span {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* ---------- CTA FINAL ---------- */
.cta-final-section {
    padding: 48px 0 56px;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.cta-final-box {
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    padding: 40px 24px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.cta-final-box h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-final-box p {
    color: var(--gray-700);
    margin-bottom: 24px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ---------- FOOTER ---------- */
.app-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 32px 0 20px;
}

.footer-flex {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    text-align: center;
}

@media (min-width: 640px) {
    .footer-flex {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-logo {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--white);
}

.footer-desc {
    font-size: 0.85rem;
    margin-top: 4px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
    font-size: 1.1rem;
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 16px;
    margin-top: 16px;
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
}

/* ---------- RESPONSIVE FIXES ---------- */
@media (max-width: 380px) {
    .hero-title {
        font-size: 1.75rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .jam-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .field-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ---------- SELECTION ---------- */
::selection {
    background: var(--primary);
    color: var(--white);
}