/* ==========================================================================
   ALU PORTAIL DESIGN - Multi-Step Form
   ========================================================================== */

/* ---------- Progress Bar ---------- */
.form-progress {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 3rem;
    padding: 0 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.form-progress__step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.form-progress__number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-bg-lighter);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--transition);
    flex-shrink: 0;
}

.form-progress__step.is-active .form-progress__number {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

.form-progress__step.is-completed .form-progress__number {
    background-color: var(--color-success);
    color: var(--color-white);
}

.form-progress__step.is-active {
    color: var(--color-accent);
}

.form-progress__step.is-skipped {
    opacity: 0.35;
}

.form-progress__line {
    width: 30px;
    height: 2px;
    background-color: var(--color-bg-lighter);
    flex-shrink: 0;
}

.form-progress__step.is-completed + .form-progress__line {
    background-color: var(--color-success);
}

/* ---------- Form Steps ---------- */
.form-step {
    display: none;
    animation: fadeInStep 0.3s ease;
}

.form-step.is-active {
    display: block;
}

@keyframes fadeInStep {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.form-step__title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

/* ---------- Form Elements ---------- */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-label .required {
    color: var(--color-accent);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-bg-lighter);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: var(--font-main);
    transition: border-color var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.form-hint {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    opacity: 0.7;
}

input[type="file"].form-input {
    padding: 0.8rem 1rem;
    cursor: pointer;
}

input[type="file"].form-input::file-selector-button {
    background: var(--color-accent);
    color: var(--color-bg);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    margin-right: 1rem;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a09888' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-select option {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
    border-color: var(--color-error);
}

.form-error {
    color: var(--color-error);
    font-size: 0.8rem;
    margin-top: 0.3rem;
    display: none;
}

.form-input.is-error + .form-error,
.form-select.is-error + .form-error,
.form-textarea.is-error + .form-error {
    display: block;
}

/* ---------- Checkboxes & Radio ---------- */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.checkbox-card {
    display: block;
    position: relative;
    cursor: pointer;
}

.checkbox-card input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-card__label {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem;
    background-color: var(--color-bg-light);
    border: 2px solid var(--color-bg-lighter);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.checkbox-card input:checked + .checkbox-card__label {
    border-color: var(--color-accent);
    background-color: rgba(200, 169, 110, 0.1);
}

.checkbox-card__icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.checkbox-card__text {
    font-weight: 600;
    font-size: 1rem;
}

.checkbox-card__desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.2rem;
}

/* Radio options */
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.radio-option {
    position: relative;
    cursor: pointer;
}

.radio-option input {
    position: absolute;
    opacity: 0;
}

.radio-option__label {
    display: block;
    padding: 8px 20px;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-bg-lighter);
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: all var(--transition);
}

.radio-option input:checked + .radio-option__label {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: rgba(200, 169, 110, 0.1);
}

/* ---------- RGPD Checkbox ---------- */
.rgpd-check {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin: 2rem 0;
}

.rgpd-check input[type="checkbox"] {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--color-accent);
}

.rgpd-check label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* ---------- Recap ---------- */
.recap-section {
    background-color: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.recap-section__title {
    font-size: 1rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    font-family: var(--font-main);
    font-weight: 600;
    border-bottom: 1px solid var(--color-bg-lighter);
    padding-bottom: 0.5rem;
}

.recap-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.recap-row__label {
    color: var(--color-text-muted);
}

.recap-row__value {
    color: var(--color-text);
    font-weight: 500;
}

/* ---------- Form Navigation ---------- */
.form-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-bg-lighter);
}

.form-nav .btn {
    min-width: 160px;
}

/* ---------- Success / Error Messages ---------- */
.form-message {
    text-align: center;
    padding: 3rem 2rem;
}

.form-message--success {
    color: var(--color-success);
}

.form-message--error {
    color: var(--color-error);
}

.form-message__icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.form-message__title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.form-message__text {
    color: var(--color-text-muted);
}

/* ---------- Form Responsive ---------- */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .form-progress {
        gap: 0.3rem;
    }

    .form-progress__step span:not(.form-progress__number) {
        display: none;
    }

    .form-progress__line {
        width: 15px;
    }

    .form-nav {
        flex-direction: column;
        gap: 1rem;
    }

    .form-nav .btn {
        width: 100%;
    }
}