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

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

:root {
    --primary: #3C91E6;
    --secondary: #FD7238;
    --dark: #2c3e50;
    --light: #ffffff;
    --grey: #ecf0f1;
    --danger: #e74c3c;
    --success: #2ecc71;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    flex-direction: column;
}

/* NAVBAR */
.top-navbar {
    background: var(--light);
    width: 100%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    flex-shrink: 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 30px;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-tag {
    font-weight: 600;
    color: var(--dark);
    font-size: 13px;
}

/* SECCIÓN PRINCIPAL */
.login-section {
    flex: 1;
    background: linear-gradient(135deg, #3C91E6 0%, #FD7238 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 20px;
    overflow: hidden;
}

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

.login-box {
    background: var(--light);
    border-radius: 18px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 22px 30px;
    animation: slideUp 0.5s ease;
}

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

.login-header {
    text-align: center;
    margin-bottom: 10px;
}

.logo-circle {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    box-shadow: 0 4px 15px rgba(60, 145, 230, 0.3);
    overflow: hidden;
}

.logo-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo-circle i {
    font-size: 30px;
    color: white;
}

.login-header h2 {
    font-size: 1.4rem;
    color: var(--dark);
    margin-bottom: 4px;
    font-weight: 700;
}

.login-header p {
    color: #666;
    font-size: 0.8rem;
}

.descripcion {
    text-align: center;
    color: #555;
    font-size: 0.75rem;
    line-height: 1.35;
    margin-bottom: 14px;
    padding: 0 5px;
}

/* FORM */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.input-group label {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.input-group label i {
    color: var(--primary);
    font-size: 1rem;
}

.input-group input,
.input-group select {
    padding: 9px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.88rem;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
    outline: none;
    width: 100%;
    background: var(--light);
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(60, 145, 230, 0.1);
}

.input-group input::placeholder {
    color: #aaa;
}

.login-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    padding: 11px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    margin-top: 2px;
    font-family: 'Poppins', sans-serif;
    width: 100%;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(60, 145, 230, 0.4);
}

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

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-btn i { font-size: 1.1rem; }

/* ALERTAS */
.alert-error {
    margin-top: 10px;
    background: #fdecea;
    color: var(--danger);
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.78rem;
    text-align: center;
}

.alert-loading {
    margin-top: 10px;
    background: #eaf3fd;
    color: var(--primary);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.78rem;
    text-align: center;
}

/* FOOTER */
footer {
    background: var(--dark);
    color: white;
    text-align: center;
    padding: 8px;
    flex-shrink: 0;
}

footer p { margin: 0; font-size: 11px; }

/* RESPONSIVE */
@media (max-height: 700px) {
    .login-box { padding: 16px 25px; }
    .logo-circle { width: 45px; height: 45px; margin-bottom: 6px; }
    .logo-circle i { font-size: 25px; }
    .login-header h2 { font-size: 1.2rem; }
    .descripcion { font-size: 0.7rem; margin-bottom: 10px; }
    .login-form { gap: 9px; }
}

@media (max-width: 768px) {
    .login-section { padding: 10px 15px; }
    .login-box { padding: 18px 20px; }
    .nav-container { padding: 6px 20px; }
    .logo img { height: 32px; }
}

@media (max-width: 480px) {
    .login-box { padding: 16px 16px; }
    .login-header h2 { font-size: 1.1rem; }
    .descripcion { font-size: 0.68rem; }
}

.logo-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 8px;
}

.logo-wrap img {
    max-width: 130px;
    max-height: 70px;
    width: auto;
    height: auto;
    object-fit: contain;
}

@media (max-height: 700px) {
    .logo-wrap img { max-width: 100px; max-height: 55px; }
}

@media (max-width: 480px) {
    .logo-wrap img { max-width: 110px; max-height: 60px; }
}

.form-section {
    align-items: flex-start;
    justify-content: center;
    padding: clamp(15px, 4vw, 35px) clamp(12px, 3vw, 20px);
    min-height: calc(100vh - 100px);
}

.form-container-wrap {
    width: 100%;
    max-width: 520px;
}

.form-box {
    padding: clamp(20px, 4vw, 32px) clamp(18px, 4vw, 34px);
    width: 100%;
}

.logo-wrap-nav img {
    height: clamp(28px, 5vw, 38px);
    width: auto;
    object-fit: contain;
}

/* Ajuste de header dentro del formulario para que no quede pegado */
.form-box .login-header {
    margin-bottom: clamp(12px, 2vw, 18px);
}

.form-box .login-header h2 {
    font-size: clamp(1.3rem, 3.5vw, 1.7rem);
}

.form-box .login-header p {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
}

.saludo {
    text-align: left;
    background: #f0f6fd;
    border-left: 3px solid var(--primary);
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: clamp(0.75rem, 2vw, 0.85rem);
    line-height: 1.5;
    word-break: break-word;
}

.section-title {
    color: var(--dark);
    font-size: clamp(0.9rem, 2.2vw, 1.05rem);
    font-weight: 600;
    margin: 10px 0 4px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 2px solid var(--grey);
    padding-bottom: 6px;
}

.section-title i {
    color: var(--secondary);
    font-size: 1.15rem;
    flex-shrink: 0;
}

.input-group textarea {
    padding: 10px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.88rem;
    font-family: 'Poppins', sans-serif;
    resize: vertical;
    outline: none;
    transition: all 0.3s ease;
    width: 100%;
    min-height: 70px;
}

.input-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(60, 145, 230, 0.1);
}

#seccion_clases {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 4px;
    padding-top: 4px;
}

/* RESPONSIVE FINO POR RANGOS */
@media (max-width: 992px) {
    .form-container-wrap { max-width: 460px; }
}

@media (max-width: 600px) {
    .top-navbar .nav-container { padding: 8px 16px; }
    .nav-tag { font-size: 12px; }
    .form-section { padding: 12px 10px; }
    .form-box { padding: 18px 16px; border-radius: 14px; }
    .input-group label { font-size: 0.8rem; }
    .input-group input,
    .input-group select,
    .input-group textarea { font-size: 0.85rem; padding: 9px 12px; }
    .login-btn { font-size: 0.9rem; padding: 12px; }
}

@media (max-width: 380px) {
    .form-box { padding: 16px 14px; }
    .form-box .login-header h2 { font-size: 1.2rem; }
    .saludo { font-size: 0.72rem; padding: 8px 10px; }
}

/* Pantallas grandes: evitar que se vea "flotando" muy pequeño */
@media (min-width: 1400px) {
    .form-container-wrap { max-width: 560px; }
    .form-box { padding: 36px 40px; }
}
body.page-formulario {
    height: 100vh;
    height: 100dvh;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

body.page-formulario .top-navbar,
body.page-formulario footer {
    flex-shrink: 0;
}

body.page-formulario .scroll-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

body.page-formulario .form-section {
    min-height: auto;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(15px, 4vw, 35px) clamp(12px, 3vw, 20px);
}
body.page-formulario .login-section {
    overflow: visible;
    align-items: flex-start;
    height: auto;
    min-height: 100%;
}

body.page-formulario .scroll-content {
    display: block;
}
.btn-gps {
    background: var(--grey);
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 9px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.btn-gps:hover { background: #e0e6e9; }

.gps-status {
    font-size: 0.75rem;
    color: #777;
    margin-top: 4px;
    display: block;
}

.gps-status.gps-ok { color: var(--success); font-weight: 600; }

.contacto-actual {
    background: var(--grey);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 6px;
    font-size: 0.8rem;
}

.contacto-actual p {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.contacto-actual i { color: var(--primary); }

.checks-dispositivos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    background: #fafafa;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px 12px;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--dark);
    cursor: pointer;
}

.check-item input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

@media (max-width: 480px) {
    .checks-dispositivos { grid-template-columns: 1fr 1fr; }
}
body.page-formulario .scroll-content {
    -webkit-overflow-scrolling: touch;
    padding-bottom: 20px;
}

@supports (-webkit-touch-callout: none) {
    body.page-formulario {
        height: -webkit-fill-available;
    }
}