/* ===== RESET ===== */
* {
    box-sizing: border-box;
}

/* ===== VARIABLES ===== */
:root {
    --space-main: 20px;
}

/* ===== FONDO ===== */
body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url("../images/fondo.jpg") center / cover no-repeat fixed;
    position: relative;
}

/* ===== OVERLAY ===== */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(3px);
    z-index: 0;
}

/* ===== CONTENIDO ===== */
.login-content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* ===== LOGO ===== */
.logo h1 {
    color: #EAF4F4;
    margin-top: 10px;
    margin-bottom: var(--space-main);
    font-weight: 600;
    letter-spacing: 1px;
    text-align: center;
}

/* ===== CAJA ===== */
.login-box {
    width: 100%;
    max-width: 320px;
    /* 🔥 más compacto */
    padding: 28px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.15);
    animation: fadeIn 0.6s ease;
}

/* ===== ANIMACIÓN ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(25px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== TITULOS ===== */
.login-head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    margin-bottom: var(--space-main);
    /* 🔥 referencia */
    font-weight: 600;
    letter-spacing: 1px;
    color: #040604;
}

/* ===== ICONO TITULO ===== */
.login-head i {
    font-size: 18px;
    background: linear-gradient(135deg, #023522, #BDE0FE);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ===== LABEL ===== */
label {
    color: #D8E2DC;
    font-size: 13px;
}

/* ===== INPUTS ===== */
.form-control {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(117, 165, 248, 0.6);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    color: #000;
    padding: 10px;
    transition: all 0.3s ease;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.65);
}

.form-control:hover {
    border-color: rgba(28, 137, 226, 0.75);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: #BDE0FE;
    box-shadow:
        0 0 8px rgba(189, 224, 254, 0.5),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    outline: none;
}

/* ===== INPUT ICON ===== */
.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    top: 50%;
    left: 12px;
    transform: translateY(-50%);
    color: #A8E6CF;
    font-size: 16px;
    pointer-events: none;
}

.input-icon .form-control {
    padding-left: 38px;
}

.input-icon:focus-within i {
    color: #BDE0FE;
    transform: translateY(-50%) scale(1.1);
}

/* ===== BOTÓN ===== */
.btn-primary {
    background: linear-gradient(135deg, #A8E6CF, #7FD1B9);
    border: none;
    border-radius: 10px;
    color: #1B4332;
    font-weight: 600;
    padding: 10px;
    transition: all 0.3s ease;
}

/* 🔥 margen igual al título */
.btn-container {
    margin-top: var(--space-main);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #7FD1B9, #A8E6CF);
    transform: scale(1.03);
    box-shadow: 0 4px 15px rgba(168, 230, 207, 0.4);
}

.btn-primary:active {
    transform: scale(0.97);
}

/* ===== LINKS ===== */
.utility a,
#formResetPass .form-group.mt-3 a {
    font-size: 14px;
    font-weight: 500;
    color: #c791e7;
    transition: 0.3s;
}

.utility a:hover,
#formResetPass .form-group.mt-3 a:hover {
    color: #86c0f3;
    text-decoration: underline;
}

/* ===== ALERTAS ===== */
#alertLogin {
    color: #FFADAD;
    font-size: 13px;
    margin-top: 10px;
}

/* ===== LOADING ===== */
#divLoading {
    background: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
}

/* ===== RESET FORM ===== */
#formResetPass .input-icon i {
    color: #CDB4DB;
}

#formResetPass .form-control:focus {
    border-color: #CDB4DB;
    box-shadow: 0 0 8px rgba(205, 180, 219, 0.5);
}

#formResetPass .btn-primary {
    background: linear-gradient(135deg, #CDB4DB, #BDE0FE);
    color: #2B2D42;
}

#formResetPass .btn-primary:hover {
    background: linear-gradient(135deg, #BDE0FE, #CDB4DB);
}

/* ===== TRANSICIÓN ===== */
.login-box form {
    transition: all 0.3s ease;
}