:root {
    --bg-main: #f0f2f5;
    --pba-blue-dark: #00132b;
    --pba-blue: #002c5c;
    --pba-gold: #cba052;
    --pba-light: #44749d;
    --text-main: #1a1a1a;
    --text-muted: #555555;
    --border-color: #d1d5db;
    --input-bg: #ffffff;
    
    --success-color: #0b8a4f;
    --danger-color: #d82b2b;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Encabezado PBA */
.header-pba {
    background: linear-gradient(135deg, var(--pba-blue-dark) 0%, var(--pba-blue) 100%);
    color: white;
    display: flex;
    align-items: center;
    padding: 15px 40px;
    border-bottom: 4px solid var(--pba-gold);
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    z-index: 10;
}

.logo-container {
    margin-right: 25px;
}

.logo-pba {
    height: 85px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.header-titles h2 {
    font-weight: 300;
    font-size: 1.1rem;
    letter-spacing: 2px;
    color: #e0e6ed;
    margin-bottom: 2px;
}

.header-titles h1 {
    font-weight: 900;
    font-size: 1.6rem;
    letter-spacing: 1px;
    margin-bottom: 3px;
    color: #ffffff;
}

.header-titles h3 {
    font-size: 1.1rem;
    color: var(--pba-gold);
    font-weight: 700;
}

/* Nav Bar Horizontal */
.nav-bar {
    background-color: #ffffff;
    display: flex;
    padding: 0 40px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.nav-btn {
    background: none;
    border: none;
    padding: 18px 25px;
    font-family: inherit;
    font-weight: 700;
    color: var(--pba-blue);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn:hover {
    background-color: #f8fafc;
    color: var(--pba-light);
}

.nav-btn.active {
    color: var(--pba-blue-dark);
    border-bottom: 3px solid var(--pba-gold);
    background-color: #f1f5f9;
}

.action-right {
    margin-left: auto;
    color: var(--text-muted);
}

/* Wrapper and Sections */
.content-wrapper {
    flex: 1;
    padding: 40px;
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
}

.view-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dashboard Banner */
.dashboard-banner {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid var(--pba-gold);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}

.dashboard-banner h2 {
    color: var(--pba-blue-dark);
    font-weight: 900;
    margin-bottom: 5px;
}

.dashboard-banner p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Dashboard Buttons */
.home-buttons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.big-btn {
    background-color: white;
    border: 1px solid var(--border-color);
    border-top: 4px solid var(--pba-blue);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.big-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
    border-top-color: var(--pba-gold);
}

.big-btn i {
    font-size: 3rem;
    color: var(--pba-blue);
    margin-bottom: 20px;
}

.big-btn span {
    display: block;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--pba-blue-dark);
    margin-bottom: 10px;
}

.big-btn small {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Common Section Bar */
.section-title-bar {
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 15px;
}

.section-title-bar h2 {
    color: var(--pba-blue-dark);
    font-weight: 900;
    font-size: 1.5rem;
}

/* Search Bar */
.search-bar {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.03);
}

.search-bar input {
    background: transparent;
    border: none;
    color: var(--text-main);
    width: 100%;
    font-size: 1.1rem;
    outline: none;
    font-weight: 500;
}

/* General Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.85rem;
}

.btn-primary { background-color: var(--pba-blue); color: white; }
.btn-primary:hover { background-color: var(--pba-blue-dark); }
.btn-secondary { background-color: #e2e8f0; color: var(--text-main); }
.btn-secondary:hover { background-color: #cbd5e1; }
.btn-danger { background-color: var(--danger-color); color: white; }
.btn-danger:hover { background-color: #b91c1c; }
.btn-success { background-color: var(--success-color); color: white; }
.btn-success:hover { background-color: #047857; }

/* Table */
.table-container {
    background-color: white;
    border-radius: 8px;
    overflow-x: auto; /* IMPORTANTE PARA MOVILES */
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px; /* Asegura que la tabla no se aplaste en celulares */
}

th, td {
    padding: 18px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--pba-blue);
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    font-size: 0.8rem;
    white-space: nowrap;
}

tbody tr:hover { background-color: #f8fafc; }
.thumb-img {
    width: 50px;
    height: 50px;
    border-radius: 4px;
    object-fit: cover;
    border: 1px solid #ccc;
}

/* Forms */
.form-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: -1px;
    position: relative;
    z-index: 2;
}

.tab-btn {
    padding: 15px 25px;
    background-color: #f1f5f9;
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    font-weight: 700;
    color: var(--text-muted);
    transition: all 0.2s;
    font-size: 0.9rem;
}

.tab-btn.active {
    background-color: white;
    color: var(--pba-blue);
    border-top: 3px solid var(--pba-blue);
    padding-top: 13px;
}

.form-content {
    background-color: white;
    padding: 35px;
    border-radius: 0 8px 8px 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.form-tab-content { display: none; }
.form-tab-content.active { display: block; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

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

.full-width { grid-column: 1 / -1; }

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--pba-blue);
    text-transform: uppercase;
}

.form-group input, .form-group select, .form-group textarea {
    background-color: #f8fafc;
    border: 1px solid #cbd5e1;
    color: var(--text-main);
    padding: 14px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    outline: none;
    width: 100%;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--pba-blue);
    background-color: white;
}

/* Photo Box */
.photo-upload-container { align-items: flex-start; }
.photo-preview-box {
    width: 220px;
    height: 220px;
    border: 2px dashed var(--pba-blue);
    border-radius: 8px;
    background-color: #f8fafc;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    color: var(--pba-blue);
    font-weight: 700;
}
.photo-preview-box img {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; background-color: white;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 20, 45, 0.8);
    z-index: 1000;
    overflow-y: auto;
    padding: 30px;
}
.modal.active { display: block; }

.modal-content {
    background-color: white;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 4px;
}

.modal-header {
    background-color: #f1f5f9;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.printable-area { padding: 50px; background-color: white; color: black; }

/* ... Print Legajo Layout ... */
.legajo-header { text-align: center; margin-bottom: 30px; border-bottom: 3px solid #000; padding-bottom: 15px; }
.legajo-header h1 { font-size: 26px; margin: 8px 0; font-weight: 900; }
.legajo-section { border: 1px solid #000; padding: 20px 15px 15px 15px; position: relative; margin-top: 20px; }
.legajo-section-title { position: absolute; top: -10px; left: 20px; background-color: white; padding: 0 10px; font-weight: bold; font-size: 14px; }
.legajo-row { display: flex; margin-bottom: 10px; font-size: 14px; }
.legajo-label { font-weight: bold; width: 250px; flex-shrink: 0; }
.legajo-value { flex-grow: 1; border-bottom: 1px dotted #999; padding-left: 5px; }
.legajo-top-grid { display: flex; gap: 25px; }
.legajo-photo-container { width: 220px; height: 270px; border: 2px solid #000; display: flex; justify-content: center; align-items: center; flex-shrink: 0; }
.legajo-photo-container img { max-width: 100%; max-height: 100%; object-fit: cover; }
.legajo-details { flex-grow: 1; }
.signatures { margin-top: 60px; display: flex; justify-content: space-around; text-align: center; }
.signature-line { border-top: 1px solid #000; width: 250px; padding-top: 8px; font-size: 13px; font-weight: bold; }

/* Toast */
.toast {
    position: fixed; bottom: 20px; right: 20px;
    background-color: var(--success-color); color: white;
    padding: 15px 25px; border-radius: 4px; z-index: 9999; font-weight: 700;
    transform: translateY(100px); opacity: 0; transition: all 0.3s;
}
.toast.show { transform: translateY(0); opacity: 1; }

.backup-card { background-color: white; padding: 40px; border-radius: 8px; }

/* =========================================
   DISEÑO RESPONSIVO (CELULARES Y TABLETS)
===========================================*/
@media (max-width: 900px) {
    /* Header Principal */
    .header-pba {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }
    
    .logo-container {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .logo-pba {
        height: 60px;
    }

    .header-titles h1 { font-size: 1.3rem; }
    .header-titles h2 { font-size: 0.9rem; }
    .header-titles h3 { font-size: 0.9rem; }

    /* Barra de Navegación */
    .nav-bar {
        padding: 5px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-btn {
        padding: 10px;
        font-size: 0.8rem;
        flex: 1 1 30%; /* Para que ocupen filas ordenadas */
        justify-content: center;
        text-align: center;
    }

    .action-right {
        margin-left: 0; /* Quita el alineado derecho en celu */
    }

    /* Padding de la App */
    .content-wrapper {
        padding: 15px;
    }

    /* Dashboard Principal */
    .home-buttons-grid {
        grid-template-columns: 1fr; /* Una columna para el celu */
        gap: 15px;
    }

    .big-btn {
        padding: 20px 15px;
    }
    
    .dashboard-banner {
        padding: 20px;
    }

    /* Formularios */
    .form-tabs {
        flex-wrap: wrap;
        margin-bottom: 15px;
    }

    .tab-btn {
        flex: 1 1 100%; /* Cada tab ocupa toda la pantalla */
        border-radius: 4px;
        border: 1px solid var(--border-color);
        margin-bottom: 5px;
        text-align: center;
    }
    
    .tab-btn.active {
        border-top: none;
        border-left: 4px solid var(--pba-blue);
    }

    .form-content {
        padding: 20px 15px;
        border-radius: 8px; /* Restaura bordes ya que rompimos los tabs */
    }

    .form-grid {
        grid-template-columns: 1fr; /* Una sola columna en formularios */
        gap: 15px;
    }

    .photo-preview-box {
        width: 100%;
        max-width: 300px;
    }

    /* Tabla y Search */
    .search-bar {
        padding: 10px 15px;
    }
    
    .search-bar input {
        font-size: 1rem;
    }
    
    /* Legajo Impresión a Celular (Pre-impresión) */
    .modal {
        padding: 10px;
    }
    
    .modal-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .legajo-top-grid {
        flex-direction: column;
        align-items: center;
    }

    .legajo-row {
        flex-direction: column;
        margin-bottom: 15px;
    }
    
    .legajo-label {
        width: 100%;
        color: var(--pba-blue-dark);
        margin-bottom: 3px;
    }
}

/* Footer */
.footer-pba {
    background-color: var(--pba-blue-dark);
    color: white;
    padding: 20px 0;
    margin-top: auto;
    border-top: 3px solid var(--pba-gold);
}

.footer-content {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    opacity: 0.8;
}

@media (max-width: 900px) {
    .footer-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 0 15px;
    }
}