/* Variables CSS para consistencia */
:root {
    --primary-color: #007FA3;
    --primary-hover: #005f7a;
    --primary-light: #e6f7ff;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --danger-hover: #b71c1c;
    --bg-color: #f8f9fa;
    --main-bg-color: #fff;
    --text-color: #333;
    --border-color: #ddd;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-strong: rgba(0, 0, 0, 0.25);
    --border-radius: 12px;
    --border-radius-small: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-mode {
    --bg-color: #1a1a1a;
    --main-bg-color: #1e1e1e;
    --text-color: #ecf0f1;
    --border-color: #424242;
    --shadow-light: rgba(0, 0, 0, 0.3);
    --shadow-medium: rgba(0, 0, 0, 0.4);
    --shadow-strong: rgba(0, 0, 0, 0.6);
    --primary-light: rgba(0, 127, 163, 0.15);
}

/* Fuente principal */
@font-face {
    font-family: "Maven Pro";
    src: url("fonts/MavenPro-VariableFont_wght.ttf") format("truetype");
    font-weight: 100 900;
    font-style: normal;
}

/* Estilos generales */
body {
    font-family: "Maven Pro", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    line-height: 1.6;
    transition: var(--transition);
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px;
    background: var(--main-bg-color);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px var(--shadow-light);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.container:hover {
    box-shadow: 0 16px 48px var(--shadow-medium);
}

/* Cabecera */
header h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), #0099cc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Títulos */
h2 {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 8px;
    margin-bottom: 25px;
    font-weight: 700;
    font-size: 1.8rem;
}

/* Formularios */
form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 14px;
}

form input {
    width: 100%;
    padding: 14px 16px;
    margin-bottom: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-small);
    font-size: 16px;
    font-weight: 500;
    box-sizing: border-box;
    background: var(--main-bg-color);
    color: var(--text-color);
    transition: var(--transition);
    box-shadow: 0 2px 8px var(--shadow-light);
}

form input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 127, 163, 0.1);
    transform: translateY(-1px);
}

/* Inputs con tipo específico */
form input[type="text"],
form input[type="email"],
form input[type="password"] {
    font-size: 16px;
}

form input[type="checkbox"] {
    width: auto;
    margin-right: 12px;
    transform: scale(1.2);
    margin-bottom: 0;
}

/* Botones */
form button {
    display: inline-block;
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--primary-color), #0099cc);
    color: white;
    border: none;
    border-radius: var(--border-radius-small);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 127, 163, 0.3);
}

form button:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 127, 163, 0.4);
}

.message.error {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    border: 2px solid #f5c6cb;
    padding: 15px 20px;
    border-radius: var(--border-radius-small);
    margin-bottom: 20px;
    font-weight: 500;
    box-shadow: 0 4px 12px var(--shadow-light);
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border-radius: var(--border-radius-small);
    padding: 4px 8px;
}

a:hover {
    color: var(--primary-hover);
    background: var(--primary-light);
    transform: translateX(3px);
}

/* Ajustes para campos y botones */
form input[type="submit"] {
    width: 100%;
    margin-top: 20px;
}

/* Estilo de campos opcionales */
.optional-section {
    border: 2px dashed var(--border-color);
    padding: 20px;
    margin-top: 20px;
    display: none;
    border-radius: var(--border-radius-small);
    background: var(--primary-light);
    transition: var(--transition);
}

.optional-section.active {
    display: block;
}

form select {
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    padding: 14px 16px;
    margin-bottom: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-small);
    width: 100%;
    box-sizing: border-box;
    background-color: var(--main-bg-color);
    color: var(--text-color);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23007FA3'%3E%3Cpath d='M7 10l5 5 5-5H7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 20px 20px;
    transition: var(--transition);
    box-shadow: 0 2px 8px var(--shadow-light);
}

form select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 127, 163, 0.1);
    transform: translateY(-1px);
}

/* Estilo para los options */
form select option {
    font-size: 16px;
    padding: 8px;
    background-color: var(--main-bg-color);
    color: var(--text-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 30px 20px;
        margin: 0;
    }
    
    header h1 {
        font-size: 2rem;
        margin-bottom: 25px;
    }
    
    h2 {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    form input,
    form select {
        padding: 12px 14px;
        font-size: 16px;
    }
    
    form button {
        padding: 12px 18px;
        font-size: 15px;
    }
    
    form label {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 20px 15px;
    }
    
    header h1 {
        font-size: 1.7rem;
        margin-bottom: 20px;
    }
    
    h2 {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    form input,
    form select {
        padding: 10px 12px;
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    form button {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    form label {
        font-size: 12px;
        margin-bottom: 6px;
    }
    
    .optional-section {
        padding: 15px;
        margin-top: 15px;
    }
}

/* DARK MODE */
body.dark-mode {
    background-color: var(--bg-color);
    color: var(--text-color);
}

body.dark-mode .container {
    background-color: var(--main-bg-color);
    color: var(--text-color);
    border-color: var(--border-color);
    box-shadow: 0 8px 32px var(--shadow-medium);
}

body.dark-mode form input,
body.dark-mode form select {
    background-color: var(--main-bg-color);
    color: var(--text-color);
    border-color: var(--border-color);
}

body.dark-mode form input:focus,
body.dark-mode form select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 127, 163, 0.1);
}

body.dark-mode form button {
    background: linear-gradient(135deg, var(--primary-color), #0099cc);
    color: #fff;
}

body.dark-mode form button:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color));
}

body.dark-mode .message.error {
    background: linear-gradient(135deg, #4a1e1e, #5a2727);
    color: #ff9999;
    border-color: #6d2c2c;
}

body.dark-mode .optional-section {
    border-color: var(--border-color);
    background: var(--primary-light);
}

body.dark-mode a {
    color: var(--primary-color);
}

body.dark-mode a:hover {
    color: var(--primary-hover);
    background: var(--primary-light);
}