:root {
    --color-secure_black: #0A0500;
    --color-despatch_white: #FFFFFC;
    --color-postal_green: #DFFF9A;
    --color-analytical_gray: #EEF2F1;
    --divider-sidebar: #374151;

    --font-size-h1: 2rem;
    --font-size-h4: 1rem;
    --font-size-body: 0.875rem;
    --font-size-small: 0.75rem;

    --font-weight-bold: 700;
    --font-weight-regular: 400;
}

html, body {
    height: 100%;
    margin: 0;
}

body {
    font-family: 'Kumbh Sans', Arial, sans-serif;
    /* min-height: 100vh; */
    display: flex;
    justify-content: center;
    align-items: center;
    /* background: linear-gradient(to bottom right, var(--color-analytical_gray), rgba(37, 99, 235, 0.05)); */
    background-color: var(--color-despatch_white);
}

.container {
    width: 100%;
    max-width: 400px;
    display: flex;
    justify-content: center;
}

.card {
    background-color: var(--color-secure_black);
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--color-postal_green);
    width: 100%;
    max-width: 28rem;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    text-align: center;
    margin: 0 auto;
}

.header {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.header .isotipo {
    width: 50px;
    padding: 0 0 24px 0;
    /* margin-bottom: 1rem; */
}

.header .logo {
    width: 250px;
    margin-bottom: 0.5rem;
}

.header h3 {
    font-size: var(--font-size-h3);
    color: var(--color-despatch_white);
    margin-bottom: 1rem;
}

.error {
    color: red;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-bold);
    color: var(--color-despatch_white);
    margin-bottom: 0.25rem;
}

.input-wrapper {
    position: relative;
}


.input-wrapper input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.5rem; /* espacio para el icono */
    font-size: 0.875rem;
    border: 2px solid #d1d5db; /* gris claro */
    border-radius: 0.5rem; /* redondeado moderno */
    background-color: var(--color-despatch_white);
    color: #111827; /* texto oscuro */
    transition: border 0.2s, box-shadow 0.2s, background 0.2s;
    box-sizing: border-box;
}

.input-wrapper input::placeholder {
    color: #9ca3af; /* placeholder gris claro */
}

.input-wrapper input:focus {
    outline: none;
    /* border-color: #6366f1; azul violeta */
    box-shadow: 0 0 0 2px rgba(238,242,241,0.3);
    border: 2px solid var(--color-secure_black); /* gris claro */
    background-color: #fff;
}

.input-wrapper svg {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    /* fill: #6b7280; gris medio */
    pointer-events: none;
}

button.btn {
    width: 100%;
    padding: 0.5rem;
    margin-top: 1rem;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-body);
    color: var(--color-secure_black);
    background-color: var(--color-postal_green);
    border: 2px solid transparent;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background 0.2s;
}

button.btn:hover {
    background-color: #FFFFFC;
    color: #0A0500;
    border: 2px solid #0A0500;
}

button.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.toggle-btn {
    margin-top: 1rem;
    font-size: var(--font-size-small);
    color: var(--color-secure_black);
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: underline;
}

.toggle-btn:hover {
    text-decoration: none;
}