:root {
    --color-primary: #14b8a6;
    --color-primary-hover: #0d9488;
    --color-icon: #0f766e;

    --color-border-subtle: #9ca3af;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-card {
    max-width: 400px;
    width: 100%;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.btn-primary-custom {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #111827;
    font-weight: 600;
    padding: 10px 1.5rem;
    transition: background-color 0.2s, border-color 0.2s;
}

.btn-primary-custom:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #111827;
}

.icon-teal {
    color: var(--color-icon);
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
}

.form-control {
    border: 2px solid var(--color-border-subtle);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    padding: 10px 12px;
    height: auto;
}

.form-control:focus {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 0.25rem rgba(20, 184, 166, 0.4) !important;
}

/* Botón de tema mejorado */
#themeToggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

#themeToggle i {
    transition: transform 0.3s ease;
}

#themeToggle:hover i {
    transform: rotate(20deg) scale(1.1);
}

#themeToggle:active i {
    transform: rotate(20deg) scale(0.95);
}

/* Estilos para modo claro - icono oscuro */
[data-bs-theme="light"] #themeToggle {
    background-color: #fff;
    border: 2px solid #e5e7eb;
    color: #1f2937;
    /* Icono oscuro */
}

[data-bs-theme="light"] #themeToggle:hover {
    background-color: #f3f4f6;
    border-color: #9ca3af;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}

/* Estilos para modo oscuro - icono blanco */
[data-bs-theme="dark"] #themeToggle {
    background-color: #374151;
    border: 2px solid #4b5563;
    color: #ffffff;
    /* Icono blanco */
}