/* =====================================================
   FORMULAIRE PAC - Aides Énergie 2026
   Clean design system for multi-step form
   ===================================================== */

:root {
    --pac-green: #1B3A5C;
    --pac-green-dark: #132C47;
    --pac-orange: #D4A017;
    --pac-orange-dark: #B8860B;
    --pac-accent: #2E6B9E;
    --pac-bg: #F4F7FB;
    --pac-text: #1A1A2E;
    --pac-text-light: #5A6577;
    --pac-white: #fff;
    --pac-border: #D6DDE6;
    --pac-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    --pac-radius: 10px;
    --pac-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body,
html {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--pac-bg);
    color: var(--pac-text);
    line-height: 1.5;
    min-height: 100%;
}

/* =====================================================
   Container and Layout
   ===================================================== */

.pac-form-wrapper {
    width: 100%;
    max-width: 580px;
    margin: 0 auto;
    padding: 6px 10px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    position: relative;
}

.pac-form-header {
    text-align: center;
    padding: 30px 20px 20px;
    background: var(--pac-white);
    border-bottom: 1px solid var(--pac-border);
}

.pac-form-header img {
    max-width: 120px;
    height: auto;
    margin-bottom: 12px;
}

.pac-form-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--pac-text);
    margin: 0;
}

.pac-embedded .pac-form-header {
    display: none;
}

/* =====================================================
   Progress Bar
   ===================================================== */

.pac-progress {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    position: relative;
    overflow: hidden;
}

.pac-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--pac-green), var(--pac-orange));
    transition: width 0.4s ease;
    width: 0%;
}

/* =====================================================
   Steps Container
   ===================================================== */

.pac-steps-container {
    flex: 1;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: visible;
}

.pac-step {
    position: absolute;
    width: 100%;
    left: 0;
    top: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease, transform 0.35s ease;
    padding: 0 16px;
}

.pac-step.active {
    position: relative;
    opacity: 1;
    pointer-events: auto;
    left: auto;
    top: auto;
}

.pac-step.exit-left {
    transform: translateX(-40px);
    opacity: 0;
}

/* =====================================================
   Step Content Elements
   ===================================================== */

.pac-question-number {
    font-size: 13px;
    color: var(--pac-text-light);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pac-question-number span {
    background: var(--pac-green);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
}

.pac-form-title {
    font-size: 14px;
    color: var(--pac-green);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pac-question-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--pac-text);
    margin-bottom: 6px;
    line-height: 1.3;
}

.pac-question-subtitle {
    font-size: 13px;
    color: var(--pac-text-light);
    margin-bottom: 18px;
}

/* =====================================================
   Options Grid
   ===================================================== */

.pac-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 18px;
}

.pac-option {
    padding: 14px 16px;
    border: 2px solid var(--pac-border);
    background: var(--pac-white);
    border-radius: var(--pac-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--pac-text);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 52px;
    font-family: inherit;
    position: relative;
}

.pac-option:hover {
    border-color: var(--pac-accent);
    background: rgba(46, 107, 158, 0.06);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(27, 58, 92, 0.1);
}

.pac-option.selected {
    border-color: var(--pac-green);
    background: rgba(27, 58, 92, 0.08);
    color: var(--pac-green);
}

.pac-option.clicked {
    transform: scale(0.98);
    transition: transform 0.1s ease;
    /* RÈGLE #4: feedback visuel scale(0.98) au clic */
}

.pac-option-key {
    width: 28px;
    height: 28px;
    border: 2px solid var(--pac-border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--pac-text-light);
    flex-shrink: 0;
    transition: all 0.2s ease;
    /* RÈGLE: Touche clavier visible dans un carré bordé */
}

.pac-option.selected .pac-option-key {
    background: var(--pac-green);
    border-color: var(--pac-green);
    color: white;
}

.pac-option-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--pac-text);
}

/* =====================================================
   Input Groups
   ===================================================== */

.pac-input-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.pac-input-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--pac-text);
    margin-bottom: 8px;
    display: block;
}

.pac-input {
    width: 100%;
    padding: 16px 18px;
    border: 2px solid var(--pac-border);
    border-radius: var(--pac-radius);
    font-size: 16px;
    font-family: inherit;
    color: var(--pac-text);
    transition: all 0.2s ease;
    background: var(--pac-white);
    outline: none;
    /* RÈGLE #5: padding 16px 18px, font-size 16px */
}

.pac-input:focus {
    border-color: var(--pac-accent);
    box-shadow: 0 0 0 3px rgba(46, 107, 158, 0.15);
}

.pac-input::placeholder {
    color: #999;
}

.pac-input.error {
    border-color: #e1000f;
}

/* =====================================================
   Select Wrapper
   ===================================================== */

.pac-select-wrapper {
    position: relative;
}

.pac-select {
    width: 100%;
    padding: 16px 45px 16px 18px;
    border: 2px solid var(--pac-border);
    border-radius: var(--pac-radius);
    font-size: 16px;
    font-family: inherit;
    color: var(--pac-text);
    background: var(--pac-white);
    cursor: pointer;
    transition: border-color 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231B3A5C' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.pac-select:focus {
    outline: none;
    border-color: var(--pac-accent);
    box-shadow: 0 0 0 3px rgba(46, 107, 158, 0.12);
}

/* =====================================================
   Phone Input
   ===================================================== */

/* RÈGLE #5: Design intégré téléphone avec bordure wrapper */
.pac-phone-wrapper {
    display: flex;
    gap: 0;
    border: 2px solid var(--pac-border);
    border-radius: var(--pac-radius);
    overflow: hidden;
    background: var(--pac-white);
    transition: all 0.2s ease;
}

.pac-phone-wrapper:focus-within {
    border-color: var(--pac-accent);
    box-shadow: 0 0 0 3px rgba(46, 107, 158, 0.15);
}

.pac-phone-prefix {
    padding: 18px 16px;
    font-size: 16px;
    background: var(--pac-bg);
    color: var(--pac-text);
    text-align: center;
    flex-shrink: 0;
    border: none;
    border-right: 2px solid var(--pac-border);
}

.pac-phone-input {
    flex: 1;
    border: none !important;
    box-shadow: none !important;
    padding: 18px 16px;
    font-size: 18px;
    letter-spacing: 1px;
    border-radius: 0;
}

/* =====================================================
   Buttons
   ===================================================== */

.pac-btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.pac-btn-primary {
    background: var(--pac-green);
    color: var(--pac-white);
}

.pac-btn-primary:hover {
    background: var(--pac-green-dark);
    transform: translateY(-1px);
}

.pac-btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.pac-btn-secondary {
    background: transparent;
    color: var(--pac-text-light);
    border: 2px solid var(--pac-border);
}

.pac-btn-secondary:hover {
    border-color: var(--pac-green);
    color: var(--pac-green);
}

.pac-btn-submit {
    background: var(--pac-orange);
    color: var(--pac-white);
    font-size: 15px;
    padding: 16px 20px;
    width: 100%;
}

.pac-btn-submit:hover {
    background: var(--pac-orange-dark);
}

/* =====================================================
   Navigation
   ===================================================== */

.pac-nav {
    display: flex;
    gap: 12px;
    padding: 20px 30px;
    border-top: 1px solid var(--pac-border);
    background: var(--pac-white);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
    z-index: 1000;
}

.pac-embedded .pac-nav {
    position: relative;
    box-shadow: none;
}

.pac-nav.hidden {
    display: none;
}

.pac-nav-minimal {
    gap: 0;
}

.pac-nav-minimal .pac-btn {
    border-radius: 0;
}

/* =====================================================
   Success State
   ===================================================== */

.pac-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.pac-success-icon {
    width: 80px;
    height: 80px;
    margin: 20px auto;
    background: var(--pac-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    animation: successPop 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.pac-success-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--pac-text);
    margin-bottom: 12px;
}

.pac-success-text {
    font-size: 14px;
    color: var(--pac-text-light);
    margin: 8px 0;
    line-height: 1.6;
}

.pac-success-next {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--pac-border);
}

@keyframes successPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    70% {
        transform: scale(1.15);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* =====================================================
   Info and Messaging
   ===================================================== */

.pac-transition-msg {
    background: rgba(46, 107, 158, 0.08);
    border: 2px solid var(--pac-accent);
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 13px;
    color: var(--pac-text);
    text-align: center;
    font-weight: 500;
}

/* RÈGLE #2: Trust footer horizontal */
.pac-trust-footer {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--pac-border);
}

.pac-trust-item {
    font-size: 12px;
    color: var(--pac-text-light);
    font-weight: 500;
}

.pac-social-proof {
    text-align: center;
    font-size: 12px;
    color: var(--pac-text-light);
    margin-bottom: 20px;
    padding: 12px;
    background: #f5f5f5;
    border-radius: 6px;
}

.pac-benefit-hint {
    text-align: center;
    font-size: 13px;
    color: var(--pac-orange);
    font-weight: 600;
    margin-bottom: 16px;
    padding: 12px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 6px;
}

.pac-info-box {
    background: #f5f5f5;
    border-left: 4px solid var(--pac-green);
    padding: 12px 16px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--pac-text-light);
    margin-bottom: 20px;
}

.pac-privacy-note {
    font-size: 12px;
    color: var(--pac-text-light);
    margin-top: 12px;
    text-align: center;
}

/* =====================================================
   Loading and Spinner
   ===================================================== */

.pac-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(27, 58, 92, 0.2);
    border-top-color: var(--pac-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* =====================================================
   Error Handling
   ===================================================== */

.pac-error-msg {
    color: #e1000f;
    font-size: 12px;
    margin-top: 6px;
    display: none;
}

.pac-error-msg.show {
    display: block;
}

.pac-input.error {
    border-color: #e1000f;
}

/* =====================================================
   Animations
   ===================================================== */

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =====================================================
   Responsive Mobile Styles
   ===================================================== */

@media (max-width: 768px) {
    .pac-form-wrapper {
        padding: 0;
        min-height: auto;
    }

    .pac-steps-container {
        padding: 30px 20px 100px 20px;
    }

    .pac-question-text {
        font-size: 20px;
    }

    .pac-options {
        gap: 10px;
    }

    .pac-option {
        padding: 12px;
        min-height: 70px;
        font-size: 13px;
    }

    .pac-input {
        font-size: 16px;
    }

    .pac-select {
        font-size: 16px;
    }

    .pac-btn {
        padding: 12px 16px;
        font-size: 13px;
    }

    .pac-nav {
        flex-direction: column-reverse; /* RÈGLE #3: CTA en premier sur mobile */
        gap: 10px;
        padding: 12px 16px 20px;
    }

    .pac-nav .pac-btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 12px;
        font-size: 13px;
    }

    .pac-btn-primary {
        width: 100%;
    }

    /* RÈGLE #6: Submit extra gros sur mobile */
    .pac-btn-submit {
        padding: 20px 28px;
        font-size: 17px;
        font-weight: 800;
        width: 100%;
        border-radius: 14px;
    }

    /* Trust footer en colonne sur mobile */
    .pac-trust-footer {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }

    /* Phone input mobile */
    .pac-phone-prefix {
        padding: 16px 14px;
        font-size: 15px;
    }

    .pac-phone-input {
        padding: 16px 14px;
        font-size: 20px;
        letter-spacing: 2px;
    }
}

@media (max-width: 600px) {
    .pac-steps-container {
        padding: 25px 16px 100px 16px;
    }

    .pac-question-text {
        font-size: 18px;
    }

    .pac-option {
        min-height: 60px;
        font-size: 12px;
        padding: 10px;
    }

    .pac-info-box {
        font-size: 12px;
        padding: 10px 12px;
    }
}

/* =====================================================
   Embedded Mode Overrides
   ===================================================== */

.pac-embedded .pac-form-wrapper {
    min-height: auto;
    padding: 0;
}

/* Navigation en mode embedded (desktop) */
.pac-embedded .pac-nav {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 -16px -6px;
    padding: 12px 16px 14px;
    background: linear-gradient(180deg, rgba(244, 247, 251, 0) 0%, var(--pac-bg) 25%);
    box-shadow: none;
    border-top: none;
    z-index: 100;
}

.pac-embedded .pac-btn-primary {
    background: var(--pac-green);
    font-size: 15px;
    padding: 14px 24px;
    border-radius: var(--pac-radius);
    box-shadow: 0 4px 12px rgba(27, 58, 92, 0.2);
}

.pac-embedded .pac-btn-primary:hover {
    background: var(--pac-green-dark);
    box-shadow: 0 6px 16px rgba(27, 58, 92, 0.3);
}