@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-main: #0a0a0c;
    --bg-card: #141417;
    --bg-input: #1c1c21;
    --color-orange: #f97316;
    --color-orange-hover: #ea580c;
    --color-orange-glow: rgba(249, 115, 22, 0.15);
    --color-text-primary: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    --color-border: #2d2d34;
    --color-error: #ef4444;
    --color-success: #22c55e;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
}

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

body {
    background-color: var(--bg-main);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px 20px;
}

.container {
    width: 100%;
    max-width: 680px;
    background-color: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 
                0 0 40px rgba(249, 115, 22, 0.05);
    border: 1px solid var(--color-border);
}

/* Banner Header */
.header-banner {
    width: 100%;
    position: relative;
    aspect-ratio: 900 / 300;
    max-height: 220px;
    overflow: hidden;
    background-color: #000;
    border-bottom: 2px solid var(--color-orange);
}

.header-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Form Container */
.form-content {
    padding: 40px;
}

.form-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.form-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    margin-bottom: 35px;
    font-weight: 300;
}

/* Form Groups matching requirements:
   1. Pregunta (texto más grande)
   2. Descripción de alguna restricción (texto mediano)
   3. Respuestas (inputs, select buttons, combo box)
*/
.form-group {
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
}

.form-question {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.form-restriction {
    font-size: 0.92rem;
    color: var(--color-orange);
    margin-bottom: 12px;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-restriction::before {
    content: "ℹ";
    font-weight: bold;
    font-size: 0.85rem;
}

/* Inputs & Combo Boxes */
.input-text, .input-date, .select-combobox {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 14px 18px;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    outline: none;
}

.input-text::placeholder {
    color: var(--color-text-muted);
}

.input-text:focus, .input-date:focus, .select-combobox:focus {
    border-color: var(--color-orange);
    box-shadow: 0 0 0 4px var(--color-orange-glow);
    background-color: rgba(28, 28, 33, 0.6);
}

/* Styling input[type="date"] calendar icon for dark mode */
.input-date::-webkit-calendar-picker-indicator {
    filter: invert(1) sepia(1) saturate(5) hue-rotate(340deg); /* Adjust calendar icon to orange/white */
    cursor: pointer;
}

/* Select buttons style (Si / No toggles) */
.select-btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.select-btn-label {
    cursor: pointer;
    display: block;
    position: relative;
}

.select-btn-label input[type="radio"] {
    display: none;
}

.select-btn-text {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 14px;
    background-color: var(--bg-input);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-weight: 600;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all var(--transition-fast);
    user-select: none;
}

.select-btn-label:hover .select-btn-text {
    border-color: rgba(249, 115, 22, 0.5);
    color: var(--color-text-primary);
}

/* Active State for select button */
.select-btn-label input[type="radio"]:checked + .select-btn-text {
    background-color: var(--color-orange);
    border-color: var(--color-orange);
    color: #ffffff;
    box-shadow: 0 8px 20px -6px rgba(249, 115, 22, 0.4);
}

/* Submit Button styling */
.submit-container {
    margin-top: 40px;
}

.btn-submit {
    width: 100%;
    background-color: var(--color-orange);
    color: #ffffff;
    border: none;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    padding: 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 25px -5px rgba(249, 115, 22, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-submit:hover:not(:disabled) {
    background-color: var(--color-orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(249, 115, 22, 0.4);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    background-color: var(--bg-input);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    cursor: not-allowed;
    box-shadow: none;
}

/* File Upload Styling */
.file-upload-wrapper {
    position: relative;
    width: 100%;
}

.input-file {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.file-upload-custom {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-input);
    border: 1px dashed var(--color-border);
    color: var(--color-text-secondary);
    padding: 16px 20px;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    user-select: none;
}

.file-upload-icon {
    font-size: 1.3rem;
    transition: transform var(--transition-fast);
}

.file-upload-text {
    font-size: 0.95rem;
    font-weight: 500;
}

.file-upload-wrapper:hover .file-upload-custom {
    border-color: var(--color-orange);
    color: var(--color-text-primary);
    background-color: rgba(28, 28, 33, 0.4);
}

.file-upload-wrapper:hover .file-upload-icon {
    transform: translateY(-2px);
}

.file-upload-wrapper:focus-within .file-upload-custom {
    border-color: var(--color-orange);
    box-shadow: 0 0 0 4px var(--color-orange-glow);
}

.file-upload-custom.has-file {
    border-style: solid;
    border-color: var(--color-success);
    color: var(--color-text-primary);
    background-color: rgba(34, 197, 94, 0.05);
}

.form-group.has-error .file-upload-custom {
    border-color: var(--color-error);
    background-color: rgba(239, 68, 68, 0.03);
}

/* Errors style */
.form-group.has-error .input-text,
.form-group.has-error .input-date,
.form-group.has-error .select-combobox {
    border-color: var(--color-error);
}

.form-group.has-error .select-btn-text {
    border-color: rgba(239, 68, 68, 0.3);
}

.error-message {
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: 6px;
    display: none;
    font-weight: 500;
}

.form-group.has-error .error-message {
    display: block;
}

/* Toast message for success / general errors */
.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 300px;
    max-width: 450px;
    background-color: #1c1c21;
    color: var(--color-text-primary);
    padding: 16px 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 12px;
    border-left: 4px solid var(--color-orange);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.toast-success {
    border-left-color: var(--color-success);
}

.toast.toast-error {
    border-left-color: var(--color-error);
}

/* Spinner for submitting state */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    display: none;
}

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

.btn-submit.loading .spinner {
    display: block;
}
.btn-submit.loading span {
    opacity: 0.8;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    .form-content {
        padding: 25px;
    }
    .form-title {
        font-size: 1.8rem;
    }
}