@font-face {
    font-family: 'Panton';
    src: url('../fonts/Panton.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

:root {
    --color-principal: #BC2251;
    --color-principal-oscuro: #970E48;
    --color-secundario: #c9a35d;
    --color-fondo: #f4f7f9;
    --color-blanco: #ffffff;
    --color-texto: #1a1d20;
    --color-texto-suave: #6c757d;
    --color-borde: #dee2e6;
    --radio-premium: 24px;
    --sombra-suave: 0 10px 30px rgba(0, 0, 0, 0.04);
}

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

body {
    background-color: var(--color-fondo);
    color: var(--color-texto);
    min-height: 100vh;
}

/* --- ESTRUCTURA DE LAYOUT --- */
.layout-wrapper {
    display: flex;
    min-height: 100vh;
}

.sidebar-panel, .login-side-info {
    position: relative;
    width: 300px;
    background: linear-gradient(135deg, var(--color-principal) 0%, var(--color-principal-oscuro) 100%);
    color: white;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    align-items: center; /* Centrado horizontal para el contenido */
    overflow: hidden;
    z-index: 1;
}

/* ADECUACIÓN VISUAL: Logo perfectamente centrado y elevado sobre la tarjeta */
.sidebar-panel::after, .login-side-info::after {
    content: "";
    position: absolute;
    /* Centrado horizontal perfecto y elevado */
    top: 60px; /* Ajusta la altura sobre la tarjeta */
    left: 50%;
    transform: translateX(-50%); /* Centrado horizontal sin giro lateral */
    width: 250px; /* Tamaño del logo */
    height: 250px;
    background-image: url('https://sai.tecnica75.edu.mx/assets/img/logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.12; /* Transparencia tenue institucional */
    filter: brightness(0) invert(1); /* Mantiene el filtro blanco */
    z-index: 0; 
    pointer-events: none;
}

/* Contenido sobre el logo */
.sidebar-panel > *, .login-side-info > * {
    position: relative;
    z-index: 2;
}

/* Ajustes de espaciado en sidebar para el nuevo logo */
.sidebar-panel h2 { margin-top: 20px; }
.sidebar-panel p { margin-bottom: 60px; }

.sidebar-panel {
    position: sticky;
    top: 0;
    height: 100vh;
}

.main-content {
    flex: 1;
    padding: 50px;
    background: var(--color-fondo);
}

.card-premium {
    background: var(--color-blanco);
    padding: 35px;
    border-radius: var(--radio-premium);
    box-shadow: var(--sombra-suave);
    margin-bottom: 30px;
    border: 1px solid rgba(0,0,0,0.02);
}

.btn-modern {
    display: inline-block;
    width: 100%;
    padding: 16px;
    border-radius: 50px;
    font-weight: bold;
    text-align: center;
    border: none;
    transition: 0.3s;
    text-decoration: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary { background: var(--color-principal); color: white; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(188, 34, 81, 0.2); }

input, select {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: none;
    border-bottom: 2px solid var(--color-borde);
    background: transparent;
}

@media (max-width: 992px) {
    .sidebar-panel { display: none; }
}