/* style.css - Variables, Design System y Temas */

:root {
    /* Pantone 201 C */
    --primary-color: #9D2235;
    --primary-hover: #b82b41;
    --primary-focus-ring: rgba(157, 34, 53, 0.3);

    /* Light Theme Tokens */
    --bg-base: #f7f8fa;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --text-main: #111827;
    --text-muted: #6b7280;
    --input-bg: rgba(255, 255, 255, 0.8);
    --input-border: #e5e7eb;
    --error-color: #ef4444;

    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --shadow-md: 0 10px 30px -5px rgba(0, 0, 0, 0.05), 0 4px 10px -2px rgba(0, 0, 0, 0.02);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
    padding: 1.5rem;
}

/* Decoración blob background */
.background-elements {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.15;
    z-index: -1;
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    top: -50px;
    right: -50px;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: #4f46e5;
    bottom: -100px;
    left: -100px;
}

/* Contenedor Principal Glassmorphism */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem 3rem;
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all 0.4s ease;
}

/* Cabecera y Logo */
.header {
    text-align: center;
    margin-bottom: 2rem;
}

.header .logo {
    max-width: 200px;
    margin-bottom: 1.5rem;
    height: auto;
    display: inline-block;
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Rejilla Formulario */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.input-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

input, textarea {
    font-family: var(--font-sans);
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    width: 100%;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-focus-ring);
}

::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* Checkbox */
.checkbox-group {
    margin-bottom: 2rem;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: relative;
    top: 2px;
    width: 1.25rem;
    height: 1.25rem;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--primary-color);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

/* Botones */
button {
    font-family: var(--font-sans);
    font-weight: 600;
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    width: 100%;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 6px -1px var(--primary-focus-ring);
}

.primary-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px -2px var(--primary-focus-ring);
}

.primary-btn:active {
    transform: translateY(0);
}

.primary-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.secondary-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--input-border);
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    margin-top: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.secondary-btn:hover {
    background: var(--input-bg);
    border-color: var(--text-muted);
}

/* Errores */
.error-msg {
    color: var(--error-color);
    font-size: 0.75rem;
    margin-top: 0.25rem;
    height: 1rem;
    display: block;
}

.input-error {
    border-color: var(--error-color) !important;
}

.input-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Pantalla de Éxito */
.success-screen {
    text-align: center;
    padding: 2rem 0;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.success-icon {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleIn {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

/* Responsividad */
@media (max-width: 640px) {
    .glass-container {
        padding: 2rem 1.5rem;
    }
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .blob { display: none; }
}