:root {
    --primary: #0f172a;
    --secondary: #f97316;
    --accent: #22c55e;
    --bg: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --toast-bg: #1e293b;
    --toast-text: #f8fafc;
}

* { margin: 0; padding: 0; box-sizing: border-box; outline: none; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text-main);
    line-height: 1.6;
}

.container { max-width: 1000px; margin: 0 auto; padding: 40px 20px; }

/* --- HEADER & STATS --- */
header { text-align: center; margin-bottom: 40px; }
.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
    word-break: break-word;
}
.logo span { color: var(--secondary); }

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px; margin-bottom: 40px;
}
.stat-card {
    background: var(--white); padding: 25px; border-radius: var(--radius);
    box-shadow: var(--shadow); border: 1px solid var(--border); text-align: center;
}
.stat-value { font-size: 2.5rem; font-weight: 700; color: var(--primary); display: block; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; }

/* --- WIZARD SYSTEM --- */
.wizard-card {
    background: var(--white); border-radius: 20px; box-shadow: var(--shadow-lg);
    overflow: hidden; margin-bottom: 60px; border: 1px solid var(--border);
}
.progress-bar { height: 6px; background: #e2e8f0; width: 100%; }
#progress-fill {
    height: 100%; background: var(--secondary); width: 0%;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.wizard-content { padding: 50px; }
.step { display: none; animation: slideIn 0.4s ease; }
.step.active { display: block; }
@keyframes slideIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

h2 { font-family: 'Poppins'; margin-bottom: 25px; font-size: 1.5rem; border-bottom: 2px solid var(--bg); padding-bottom: 10px; }

/* --- FORMS --- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9rem; }
input, textarea {
    width: 100%; padding: 12px 16px; border: 2px solid var(--border);
    border-radius: 8px; font-size: 1rem; transition: 0.3s; font-family: inherit;
}
input:focus, textarea:focus { border-color: var(--secondary); box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1); }

/* --- SURVEY TABLE --- */
.q-item {
    padding: 15px; border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.q-text { font-weight: 500; flex: 1; }
.q-options { display: flex; gap: 10px; }
.opt-btn {
    padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px;
    background: var(--bg); cursor: pointer; font-size: 0.8rem; font-weight: 600; transition: 0.2s;
}
.opt-btn.active { background: var(--secondary); color: white; border-color: var(--secondary); }

/* --- ESTRELLAS --- */
.star-rating-container { text-align: center; margin: 30px 0; }
.star-rating {
    display: inline-flex; flex-direction: row-reverse; gap: 10px;
}
.star-rating input { display: none; }
.star-rating label {
    font-size: 3.5rem; color: #cbd5e1; cursor: pointer; transition: 0.2s;
}
.star-rating label:hover,
.star-rating label:hover ~ label,
.star-rating input:checked ~ label {
    color: var(--secondary);
    transform: scale(1.1);
}

/* --- BUTTONS --- */
.btn-group { display: flex; justify-content: space-between; margin-top: 40px; }
.btn {
    padding: 14px 30px; border-radius: 8px; border: none; font-weight: 700;
    cursor: pointer; transition: 0.3s; font-size: 1rem; display: flex; align-items: center; gap: 10px;
}
.btn-next { background: var(--secondary); color: white; }
.btn-next:hover { background: #ea580c; transform: translateY(-2px); }
.btn-prev { background: var(--bg); color: var(--text-muted); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* --- REVIEWS LIST --- */
.review-card {
    background: white; padding: 25px; border-radius: var(--radius);
    margin-bottom: 20px; border: 1px solid var(--border); box-shadow: var(--shadow);
    animation: fadeIn 0.5s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.review-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 15px; }
.review-meta h4 { font-size: 1.1rem; }
.review-meta p { font-size: 0.85rem; color: var(--text-muted); }
.review-stars { color: var(--secondary); font-size: 1.2rem; }
.review-comment { font-style: italic; color: var(--primary); background: #f8fafc; padding: 15px; border-radius: 8px; margin-top: 10px; }

/* --- FOOTER --- */
footer { border-top: 1px solid var(--border); padding-top: 40px; margin-top: 60px; text-align: center; }
.contact-links { display: flex; justify-content: center; gap: 30px; margin-top: 20px; }
.contact-links a { color: var(--primary); text-decoration: none; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.contact-links a:hover { color: var(--secondary); }

/* --- TOAST --- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.toast {
    background: var(--toast-bg);
    color: var(--toast-text);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.95rem;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 350px;
}
.toast.error { background: #dc2626; }
.toast.success { background: var(--accent); }
@keyframes toastIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* --- SPINNER --- */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top: 4px solid var(--secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .form-grid { grid-template-columns: 1fr; }
    .q-item { flex-direction: column; align-items: flex-start; }
    .wizard-content { padding: 25px; }
}
@media (max-width: 480px) {
    .logo { font-size: 1.4rem; padding: 0 10px; text-align: center; }
    .container { padding: 20px 10px; }
    .wizard-content { padding: 20px; }
    .q-options { flex-wrap: wrap; }
    .opt-btn { flex: 1 1 100%; font-size: 0.75rem; padding: 8px; }
    .star-rating label { font-size: 2.5rem; }
    .btn { width: 100%; justify-content: center; }
    .btn-group { flex-direction: column; gap: 10px; }
    .review-card { padding: 15px; }
}