/* ============================================
   NORMA 17 E.P.P - Sistema de Gestión
   Diseño: Corporativo Industrial Moderno
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
}

:root {
    --primary: #1a3a5c;
    --primary-light: #2c5f8a;
    --primary-dark: #0f2338;
    --accent: #f39c12;
    --accent-hover: #e67e22;
    --success: #27ae60;
    --success-hover: #219150;
    --danger: #e74c3c;
    --danger-hover: #c0392b;
    --info: #3498db;
    --info-hover: #2980b9;
    --warning: #f1c40f;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    color: var(--gray-800);
    min-height: 100vh;
    line-height: 1.6;
}

/* ============================================
   LOGIN - DISEÑO DE DOS PANELES
   ============================================ */

.login-body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f2338 0%, #1a3a5c 50%, #2c5f8a 100%);
    padding: 20px;
}

.login-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    max-width: 1100px;
    width: 100%;
    min-height: 620px;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0,0,0,0.4);
    animation: loginFadeIn 0.6s ease-out;
}

@keyframes loginFadeIn {
    from { opacity: 0; transform: translateY(30px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- PANEL IZQUIERDO: BRANDING --- */
.login-brand-panel {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px 40px;
    overflow: hidden;
}

.login-brand-panel::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(243,156,18,0.15) 0%, transparent 60%);
    animation: brandGlow 15s ease-in-out infinite;
}

@keyframes brandGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10%, -10%); }
}

.brand-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(243,156,18,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(44,95,138,0.3) 0%, transparent 50%);
    pointer-events: none;
}

.brand-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.brand-logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 30px;
    filter: brightness(0) invert(1);
    opacity: 0.95;
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { transform: scale(1); opacity: 0.95; }
    50% { transform: scale(1.03); opacity: 1; }
}

.brand-content h1 {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 2px;
    color: white;
    margin-bottom: 0;
    line-height: 1;
}

.brand-content h2 {
    font-size: 32px;
    font-weight: 300;
    letter-spacing: 8px;
    color: var(--accent);
    margin-bottom: 25px;
    line-height: 1;
}

.brand-tagline {
    font-size: 15px;
    color: rgba(255,255,255,0.75);
    max-width: 320px;
    margin: 0 auto 35px;
    line-height: 1.6;
}

.brand-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
    max-width: 320px;
    margin: 0 auto;
}

.feature-item {
    font-size: 14px;
    color: rgba(255,255,255,0.9);
    padding: 8px 16px;
    background: rgba(255,255,255,0.08);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    width: 100%;
    text-align: left;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255,255,255,0.15);
    transform: translateX(5px);
}

.brand-footer {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 2;
}

.brand-footer p {
    color: rgba(255,255,255,0.5);
    font-size: 12px;
    letter-spacing: 1px;
}

/* --- PANEL DERECHO: FORMULARIO --- */
.login-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 50px;
    background: white;
}

.login-form-container {
    width: 100%;
    max-width: 380px;
    animation: formSlide 0.6s ease-out 0.2s backwards;
}

@keyframes formSlide {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-logo-small {
    max-width: 90px;
    height: auto;
    margin-bottom: 20px;
    opacity: 0.9;
}

.login-header h3 {
    color: var(--primary);
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.login-header p {
    color: var(--gray-600);
    font-size: 14px;
}

.login-form .input-group {
    margin-bottom: 22px;
}

.login-form .input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-form .input-group input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 15px;
    transition: var(--transition);
    background: var(--gray-100);
    color: var(--gray-800);
}

.login-form .input-group input:focus {
    outline: none;
    border-color: var(--primary-light);
    background: white;
    box-shadow: 0 0 0 4px rgba(44, 95, 138, 0.12);
    transform: translateY(-1px);
}

.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(26, 58, 92, 0.3);
    margin-top: 10px;
}

.btn-login:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26, 58, 92, 0.4);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.btn-login:active {
    transform: translateY(-1px);
}

.login-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.login-footer p {
    color: var(--gray-500);
    font-size: 12px;
    letter-spacing: 0.5px;
}

.error {
    color: var(--danger);
    margin-bottom: 20px;
    padding: 14px 16px;
    background: #fdeaea;
    border-left: 4px solid var(--danger);
    border-radius: var(--radius);
    font-size: 13px;
    text-align: left;
    font-weight: 500;
}

/* Responsive Login */
@media (max-width: 900px) {
    .login-wrapper {
        grid-template-columns: 1fr;
        max-width: 480px;
    }
    .login-brand-panel {
        padding: 40px 30px;
        min-height: 300px;
    }
    .brand-logo { max-width: 120px; margin-bottom: 15px; }
    .brand-content h1 { font-size: 32px; }
    .brand-content h2 { font-size: 24px; letter-spacing: 5px; }
    .brand-features { display: none; }
    .brand-footer { display: none; }
    .login-form-panel { padding: 40px 30px; }
}

@media (max-width: 480px) {
    .login-body { padding: 10px; }
    .login-wrapper { border-radius: 12px; }
    .login-form-panel { padding: 30px 20px; }
    .login-header h3 { font-size: 22px; }
}

/* ============================================
   HEADER CON LOGO
   ============================================ */
header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    padding: 12px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--accent);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-logo {
    max-height: 45px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.95;
}

.header-title h1 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    line-height: 1.1;
    margin: 0;
}

.header-title span {
    font-size: 11px;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 400;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 14px;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
}

.user-icon {
    font-size: 22px;
    background: var(--accent);
    color: var(--primary-dark);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
}

.user-badge strong {
    display: block;
    font-size: 13px;
    color: white;
}

.user-badge small {
    display: block;
    font-size: 10px;
    color: var(--accent);
    letter-spacing: 1px;
    font-weight: 600;
}

.btn-logout {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 16px;
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    transition: var(--transition);
    font-size: 13px;
}

.btn-logout:hover {
    background: var(--accent);
    color: var(--primary-dark);
    transform: translateY(-1px);
}

/* ============================================
   FOOTER CON LOGO
   ============================================ */
.main-footer {
    text-align: center;
    padding: 30px 20px;
    margin-top: 40px;
    border-top: 1px solid var(--gray-200);
    background: white;
}

.footer-logo {
    max-width: 120px;
    height: auto;
    opacity: 0.6;
    margin-bottom: 10px;
}

.main-footer p {
    color: var(--gray-500);
    font-size: 12px;
    letter-spacing: 0.5px;
}

/* ============================================
   DASHBOARD
   ============================================ */
.dashboard {
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard h2 {
    color: var(--primary);
    font-size: 26px;
    margin-bottom: 8px;
    font-weight: 700;
}

.dashboard h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin-top: 8px;
    border-radius: 2px;
}

.modulos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 35px;
}

.card {
    background: white;
    padding: 30px 25px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--gray-800);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent), var(--primary-light));
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card:hover::before {
    width: 8px;
}

.card h3 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: 700;
}

.card p {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.5;
}

.card .icon {
    font-size: 36px;
    margin-bottom: 15px;
    display: block;
}

/* ============================================
   FORMULARIOS
   ============================================ */
.form-container {
    max-width: 1300px;
    margin: 30px auto;
    background: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    animation: fadeIn 0.4s ease-out;
}

/* Logo en formularios */
.form-logo {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--gray-200);
}

.form-logo img {
    max-width: 140px;
    height: auto;
    opacity: 0.9;
}

.form-container h2 {
    color: var(--primary);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--gray-200);
    font-size: 24px;
    font-weight: 700;
    position: relative;
}

.form-container h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--accent);
}

.form-container h3 {
    color: var(--primary-light);
    margin: 30px 0 15px 0;
    padding: 12px 16px;
    background: linear-gradient(90deg, var(--gray-100), transparent);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 18px;
    font-weight: 700;
}

.form-container h4 {
    color: var(--gray-700);
    margin: 20px 0 12px 0;
    font-size: 16px;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    transition: var(--transition);
    background: var(--gray-100);
    color: var(--gray-800);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    background: white;
    box-shadow: 0 0 0 4px rgba(44, 95, 138, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* ============================================
   TABLAS
   ============================================ */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 20px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: white;
}

table thead {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

table th {
    color: white;
    padding: 14px 10px;
    text-align: center;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
}

table td {
    padding: 12px 10px;
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
    color: var(--gray-700);
    background: white;
}

table tbody tr {
    transition: var(--transition);
}

table tbody tr:hover {
    background: var(--gray-100);
}

table tbody tr:hover td {
    background: var(--gray-100);
}

table tbody tr:last-child td {
    border-bottom: none;
}

table input[type="text"],
table select {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    font-size: 13px;
    background: white;
}

table input[type="checkbox"],
table input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-light);
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--success) 0%, var(--success-hover) 100%);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.3px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    filter: brightness(1.05);
}

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

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, var(--danger-hover) 100%);
}

.btn-info {
    background: linear-gradient(135deg, var(--info) 0%, var(--info-hover) 100%);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--accent-hover) 100%);
    color: var(--gray-900);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

/* ============================================
   FIRMAS
   ============================================ */
.firma-box {
    border: 2px dashed var(--primary-light);
    background: repeating-linear-gradient(
        45deg,
        var(--gray-100),
        var(--gray-100) 10px,
        #ffffff 10px,
        #ffffff 20px
    );
    width: 100%;
    height: 160px;
    cursor: crosshair;
    border-radius: var(--radius);
    transition: var(--transition);
    display: block;
    margin: 10px 0;
}

.firma-box:hover {
    border-color: var(--accent);
    background: white;
}

.firmas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.firma-card {
    background: var(--gray-100);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.firma-card:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-light);
}

.firma-card h4 {
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gray-300);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.firma-card p {
    font-size: 13px;
    margin: 8px 0;
    color: var(--gray-700);
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    border-left: 4px solid;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-color: var(--success);
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border-color: var(--danger);
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-color: var(--info);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-cumple { background: #d4edda; color: #155724; }
.badge-no-cumple { background: #f8d7da; color: #721c24; }
.badge-no-aplica { background: var(--gray-200); color: var(--gray-700); }

/* ============================================
   CHECKBOXES Y RADIOS
   ============================================ */
input[type="checkbox"] {
    accent-color: var(--primary-light);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

input[type="radio"] {
    accent-color: var(--accent);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* ============================================
   LOADER
   ============================================ */
.loader {
    display: none;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-light);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ============================================
   IMPRESIÓN CON LOGO
   ============================================ */
@media print {
    header, .no-print, .user-info, .btn, .main-footer { display: none !important; }
    body { background: white; }
    .form-container { box-shadow: none; border: none; padding: 0; margin: 0; max-width: 100%; }
    .form-logo { display: block !important; margin-bottom: 20px; }
    .form-logo img { max-width: 150px; }
    table { box-shadow: none; border: 1px solid var(--gray-400); }
    table th {
        background: var(--gray-300) !important;
        color: var(--gray-900) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .firma-box { border: 1px solid var(--gray-400); background: white; }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    header { flex-direction: column; gap: 12px; padding: 15px 20px; text-align: center; }
    .header-brand { flex-direction: column; gap: 8px; }
    .header-logo { max-height: 35px; }
    .header-title h1 { font-size: 15px; }
    .user-info { flex-direction: column; gap: 8px; width: 100%; }
    .dashboard { padding: 20px; }
    .form-container { padding: 20px 15px; margin: 15px; }
    .modulos { grid-template-columns: 1fr; }
    table { font-size: 12px; display: block; overflow-x: auto; white-space: nowrap; }
    table th, table td { padding: 8px 6px; }
}