@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --brand-color: #64748B;
    --brand-hover: #475569;
    --bg-app: #F8FAFC;
    --surface: #FFFFFF;
    --text-main: #0F172A;
    --text-muted: #94A3B8;
    --border-color: #E2E8F0;
    --ring-color: rgba(100, 116, 139, 0.2);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.01);
    --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.auth-container, .profile-card {
    background: var(--surface);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    margin: 20px;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

h1, h2 {
    text-align: center; 
    color: var(--text-main); 
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 30px; 
}

.form-group { margin-bottom: 20px; }

label { 
    display: block; 
    margin-bottom: 8px; 
    font-weight: 500; 
    font-size: 0.875rem;
    color: var(--text-muted);
}

input {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-main);
    transition: all 0.2s ease;
    font-family: inherit;
}

input:focus {
    outline: none; 
    border-color: var(--brand-color); 
    background-color: var(--surface);
    box-shadow: 0 0 0 4px var(--ring-color);
}

button {
    width: 100%;
    padding: 14px;
    background-color: var(--brand-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    margin-top: 10px;
}

button:hover { 
    background-color: var(--brand-hover); 
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(5, 150, 105, 0.2);
}

button:active { transform: translateY(0); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

p { text-align: center; font-size: 0.875rem; color: var(--text-muted); margin-top: 20px; }
a { color: var(--brand-color); text-decoration: none; font-weight: 500; transition: color 0.2s; }
a:hover { color: var(--brand-hover); text-decoration: underline; }

.msg {
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    display: none;
}
.msg-error { display: block; background-color: #FEF2F2; color: #DC2626; border: 1px solid #FEE2E2; }
.msg-success { display: block; background-color: #ECFDF5; color: #059669; border: 1px solid #D1FAE5; }

.loading-screen { background-color: var(--brand-color); color: white; }
.loading-screen h1 { color: white; }
.loading-screen p { color: rgba(255,255,255,0.8); }

.loader {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255,255,255,0.2);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.55, 0.15, 0.45, 0.85) infinite;
    margin: 30px auto;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.profile-info { margin-top: 20px; }
.profile-info p { 
    border-bottom: 1px solid var(--border-color); 
    padding: 16px 0; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    text-align: left;
    margin: 0;
    color: var(--text-main);
}
.profile-info p:last-child { border-bottom: none; }
.profile-info p strong { color: var(--text-muted); font-weight: 500; }
.role-badge { background-color: var(--bg-app); padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; border: 1px solid var(--border-color);}

.logout-btn { background-color: var(--surface); color: var(--text-main); border: 1px solid var(--border-color); box-shadow: none; }
.logout-btn:hover { background-color: var(--bg-app); transform: none; box-shadow: none;}

body.app-page {
    display: block;
    min-height: 100vh;
    background-color: var(--bg-app);
    color: var(--text-main);
}

.app-header {
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
}

.app-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.app-header h1 {
    margin: 0;
    text-align: left;
    font-size: 2rem;
}

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

.session-links {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.is-hidden {
    display: none !important;
}

.app-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.app-nav a:hover {
    background: var(--bg-app);
    color: var(--brand-hover);
    text-decoration: none;
}

.app-page .logout-btn {
    width: auto;
    margin-top: 0;
    padding: 10px 14px;
}

.session-links .logout-btn {
    width: auto;
    margin-top: 0;
}

.app-main {
    width: 100%;
    max-width: 1100px;
    margin: 32px auto;
    padding: 0 24px 32px;
}

.status-message,
.availability-message {
    text-align: left;
    margin: 0 0 20px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.content-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.content-card h2,
.content-card h3 {
    text-align: left;
    margin-bottom: 20px;
}

.content-card p {
    text-align: left;
    margin-top: 0;
    color: var(--text-main);
}

#lista-pistas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.tarjeta-pista {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 24px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tarjeta-pista:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 30px -8px rgba(15, 23, 42, 0.08);
}

.tarjeta-pista h2 {
    text-align: left;
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.tarjeta-pista p {
    text-align: left;
    margin: 0 0 10px;
    color: var(--text-main);
    font-size: 0.95rem;
}

.tarjeta-pista a {
    display: inline-block;
    margin-top: 10px;
    font-weight: 600;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.detail-grid p {
    margin: 0;
    padding: 14px 16px;
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.availability-controls {
    display: flex;
    align-items: end;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.form-group-inline {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 240px;
}

.form-group-inline label {
    margin-bottom: 0;
}

#fecha-disponibilidad {
    width: 100%;
    max-width: 260px;
}

#btn-consultar-disponibilidad {
    width: auto;
    padding: 12px 18px;
    margin-top: 0;
}

#lista-disponibilidad {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

#lista-disponibilidad li {
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px 16px;
    font-weight: 500;
    color: var(--text-main);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
    .app-header-inner {
        align-items: flex-start;
    }

    .app-header h1 {
        font-size: 1.6rem;
    }

    .app-main {
        margin-top: 24px;
        padding: 0 16px 24px;
    }

    .content-card,
    .tarjeta-pista {
        padding: 20px;
    }

    .availability-controls {
        flex-direction: column;
        align-items: stretch;
    }

    #btn-consultar-disponibilidad,
    #fecha-disponibilidad {
        width: 100%;
        max-width: none;
    }

    .app-nav {
        width: 100%;
    }
}


body.home-page,
body.auth-page {
    display: block;
    min-height: 100vh;
    justify-content: flex-start;
}

body.home-page {
    background:
        radial-gradient(circle at top, rgba(100, 116, 139, 0.12), transparent 35%),
        var(--bg-app);
}

body.auth-page {
    background: var(--bg-app);
}

.site-header,
.auth-header {
    width: 100%;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.site-header-inner,
.auth-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.site-brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.site-brand a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 800;
    font-size: 1.2rem;
}

.site-brand small {
    color: var(--text-muted);
}

.site-nav,
.auth-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.site-nav a,
.auth-nav a,
.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.site-nav button,
.auth-nav button {
    width: auto;
    margin-top: 0;
    padding: 10px 14px;
}

.site-nav a:hover,
.auth-nav a:hover,
.button-link:hover {
    background: var(--bg-app);
    color: var(--brand-hover);
    text-decoration: none;
}

.site-nav .is-primary,
.auth-nav .is-primary,
.button-link.is-primary {
    background: var(--brand-color);
    color: #fff;
    border-color: transparent;
}

.site-nav .is-primary:hover,
.auth-nav .is-primary:hover,
.button-link.is-primary:hover {
    background: var(--brand-hover);
    color: #fff;
}

.home-main,
.auth-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px 48px;
}

.hero {
    display: grid;
    grid-template-columns: 1.25fr 0.85fr;
    gap: 24px;
    align-items: stretch;
    margin-bottom: 24px;
}

.hero-panel,
.info-panel,
.auth-card,
.login-container,
.profile-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.hero-panel {
    padding: 32px;
}

.eyebrow {
    color: var(--brand-color);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
}

.hero-panel h1,
.hero-panel h2,
.section-heading,
.page-title {
    text-align: left;
    margin-bottom: 14px;
}

.hero-panel p,
.section-lead {
    text-align: left;
    margin: 0 0 18px;
    color: var(--text-muted);
    line-height: 1.65;
}

.hero-actions,
.profile-actions,
.card-actions,
.inline-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.info-panel {
    padding: 24px;
}

.stat-grid,
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.feature-card,
.stat-card,
.reservation-card,
.auth-card,
.login-container,
.profile-card {
    padding: 24px;
}

.feature-card h3,
.stat-card h3,
.reservation-card h3 {
    text-align: left;
    margin-bottom: 10px;
}

.feature-card p,
.stat-card p,
.reservation-card p {
    text-align: left;
    margin: 0;
    color: var(--text-muted);
}

.auth-card,
.login-container,
.profile-card {
    max-width: 520px;
    width: 100%;
    margin: 0 auto;
}

.auth-layout {
    min-height: calc(100vh - 84px);
    display: grid;
    place-items: center;
    padding: 32px 24px 48px;
}

.auth-card form,
.login-container form,
.profile-card form,
.content-card form {
    display: grid;
    gap: 16px;
}

.auth-card form > div,
.profile-card form > div,
.content-card form > div,
.login-container form > div {
    display: grid;
    gap: 8px;
}

select,
textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-main);
    transition: all 0.2s ease;
    font-family: inherit;
}

select:focus,
textarea:focus {
    outline: none;
    border-color: var(--brand-color);
    background-color: var(--surface);
    box-shadow: 0 0 0 4px var(--ring-color);
}

input[type="checkbox"] {
    width: auto;
    accent-color: var(--brand-color);
}

.field-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.chips,
.reservation-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.chip,
.reservation-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    font-size: 0.84rem;
    color: var(--text-main);
}

.empty-state {
    padding: 24px;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.7);
    color: var(--text-muted);
    text-align: center;
}

.reservation-list {
    display: grid;
    gap: 16px;
}

.reservation-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.reservation-card h3 {
    margin-bottom: 8px;
}

.reservation-card .card-actions {
    margin-top: 16px;
}

.button-link.is-danger,
button.is-danger {
    background: #dc2626;
    color: #fff;
}

.button-link.is-danger:hover,
button.is-danger:hover {
    background: #b91c1c;
    color: #fff;
}

.button-link.is-secondary,
button.is-secondary {
    background: #fff;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.button-link.is-secondary:hover,
button.is-secondary:hover {
    background: var(--bg-app);
    color: var(--brand-hover);
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .site-header-inner,
    .auth-header-inner {
        padding: 16px 18px;
    }

    .home-main,
    .auth-main {
        padding: 24px 16px 40px;
    }

    .hero-panel,
    .info-panel,
    .auth-card,
    .login-container,
    .profile-card,
    .feature-card,
    .stat-card,
    .reservation-card {
        padding: 20px;
    }

    .hero-actions,
    .profile-actions,
    .card-actions,
    .inline-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav,
    .auth-nav {
        width: 100%;
    }

    .site-nav a,
    .auth-nav a,
    .button-link,
    button {
        width: 100%;
    }
}

.site-footer {
    width: 100%;
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    background: var(--surface);
}

.site-footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
}