/* ==========================================================================
   Calculateur d'Expédition — Frontend Styles
   ========================================================================== */

:root {
    --calc-exp-primary: #e63946;
    --calc-exp-primary-dark: #c1121f;
    --calc-exp-bg: #ffffff;
    --calc-exp-bg-alt: #f8f9fa;
    --calc-exp-border: #dee2e6;
    --calc-exp-text: #212529;
    --calc-exp-text-muted: #6c757d;
    --calc-exp-shadow: 0 4px 24px rgba(0,0,0,0.10);
    --calc-exp-radius: 12px;
    --calc-exp-radius-sm: 8px;
    --calc-exp-success: #2d6a4f;
    --calc-exp-success-bg: #d8f3dc;
}

.calc-exp-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: 960px;
    margin: 2rem auto;
    color: var(--calc-exp-text);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Header
-------------------------------------------------------------------------- */
.calc-exp-header {
    text-align: center;
    margin-bottom: 1.75rem;
}
.calc-exp-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--calc-exp-primary);
    margin: 0 0 .4rem;
}
.calc-exp-subtitle {
    color: var(--calc-exp-text-muted);
    margin: 0;
}

/* --------------------------------------------------------------------------
   Mode tabs (National / International)
-------------------------------------------------------------------------- */
.calc-exp-mode-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 0;
    border-bottom: 2px solid var(--calc-exp-border);
}

.calc-exp-mode-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .2rem;
    padding: .9rem 1rem;
    background: var(--calc-exp-bg-alt);
    border: 1px solid var(--calc-exp-border);
    border-bottom: none;
    cursor: pointer;
    font-size: .95rem;
    font-weight: 600;
    color: var(--calc-exp-text-muted);
    transition: background .2s, color .2s;
    position: relative;
    bottom: -2px;
}
.calc-exp-mode-tab:first-child { border-radius: var(--calc-exp-radius) 0 0 0; }
.calc-exp-mode-tab:last-child  { border-radius: 0 var(--calc-exp-radius) 0 0; }

.calc-exp-mode-tab .tab-icon { font-size: 1.4rem; }
.calc-exp-mode-tab small { font-size: .78rem; font-weight: 400; }

.calc-exp-mode-tab.is-active {
    background: var(--calc-exp-bg);
    color: var(--calc-exp-primary);
    border-bottom: 2px solid var(--calc-exp-bg);
    border-top: 2px solid var(--calc-exp-primary);
}
.calc-exp-mode-tab:hover:not(.is-active) {
    background: #fff;
    color: var(--calc-exp-text);
}

@media (max-width: 520px) {
    .calc-exp-mode-tabs { flex-direction: column; border-bottom: none; }
    .calc-exp-mode-tab  { border-radius: 0 !important; border-bottom: 1px solid var(--calc-exp-border); bottom: 0; }
    .calc-exp-mode-tab.is-active { border-top: none; border-left: 3px solid var(--calc-exp-primary); }
}

/* --------------------------------------------------------------------------
   Panel
-------------------------------------------------------------------------- */
.calc-exp-panel {
    background: var(--calc-exp-bg);
    border: 1px solid var(--calc-exp-border);
    border-top: none;
    border-radius: 0 0 var(--calc-exp-radius) var(--calc-exp-radius);
    padding: 1.75rem;
    box-shadow: var(--calc-exp-shadow);
}

/* International notice banner */
.calc-exp-intl-notice {
    display: flex;
    align-items: center;
    gap: .6rem;
    background: #e8f4fd;
    border: 1px solid #b8daff;
    border-radius: var(--calc-exp-radius-sm);
    padding: .75rem 1rem;
    font-size: .9rem;
    color: #0c5694;
    margin-bottom: 1.25rem;
}

/* --------------------------------------------------------------------------
   Form Area
-------------------------------------------------------------------------- */
.calc-exp-form-area {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 1.25rem;
    align-items: flex-end;
    margin-bottom: 1.25rem;
}
@media (max-width: 640px) {
    .calc-exp-form-area { grid-template-columns: 1fr; }
}

.calc-exp-field-group {
    display: flex;
    flex-direction: column;
    gap: .4rem;
}
.calc-exp-label {
    font-weight: 600;
    font-size: .9rem;
    display: flex;
    align-items: center;
    gap: .35rem;
}
.calc-exp-icon { font-size: 1.1rem; }

.calc-exp-select,
.calc-exp-input {
    width: 100%;
    padding: .65rem 1rem;
    border: 2px solid var(--calc-exp-border);
    border-radius: var(--calc-exp-radius-sm);
    font-size: 1rem;
    color: var(--calc-exp-text);
    background: var(--calc-exp-bg);
    box-sizing: border-box;
    outline: none;
    transition: border-color .2s;
}
.calc-exp-select:focus,
.calc-exp-input:focus { border-color: var(--calc-exp-primary); }

.calc-exp-poids-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.calc-exp-poids-wrap .calc-exp-input { padding-right: 3rem; }
.calc-exp-unit {
    position: absolute;
    right: 1rem;
    font-weight: 600;
    color: var(--calc-exp-text-muted);
    font-size: .9rem;
    pointer-events: none;
}

.calc-exp-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: .7rem 1.6rem;
    background: var(--calc-exp-primary);
    color: #fff;
    border: none;
    border-radius: var(--calc-exp-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s, transform .1s;
    white-space: nowrap;
    min-height: 48px;
}
.calc-exp-button:hover  { background: var(--calc-exp-primary-dark); transform: translateY(-1px); }
.calc-exp-button:active { transform: translateY(0); }

/* --------------------------------------------------------------------------
   Options (collecte + emballage)
-------------------------------------------------------------------------- */
.calc-exp-options {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.calc-exp-option-card {
    flex: 1 1 220px;
    display: flex;
    align-items: center;
    gap: .75rem;
    border: 2px solid var(--calc-exp-border);
    border-radius: var(--calc-exp-radius-sm);
    padding: .85rem 1rem;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    background: var(--calc-exp-bg-alt);
    user-select: none;
}
.calc-exp-option-card:hover { border-color: var(--calc-exp-primary); background: #fff8f8; }
.calc-exp-option-card.is-checked { border-color: var(--calc-exp-primary); background: #fff0f0; }

.calc-exp-option-card input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--calc-exp-primary);
    flex-shrink: 0;
    cursor: pointer;
}
.calc-exp-option-info { flex: 1; }
.calc-exp-option-info strong { display: block; font-size: .95rem; }
.calc-exp-option-info small  { color: var(--calc-exp-text-muted); font-size: .82rem; }
.calc-exp-option-price {
    font-weight: 700;
    color: var(--calc-exp-primary);
    font-size: 1rem;
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Result
-------------------------------------------------------------------------- */
.calc-exp-result {
    animation: calcExpFadeIn .3s ease;
    margin-bottom: 1.5rem;
}
@keyframes calcExpFadeIn {
    from { opacity:0; transform:translateY(8px); }
    to   { opacity:1; transform:translateY(0); }
}

.calc-exp-result-inner {
    background: var(--calc-exp-bg);
    border: 2px solid var(--calc-exp-primary);
    border-radius: var(--calc-exp-radius);
    overflow: hidden;
}
.calc-exp-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .8rem 1.5rem;
    border-bottom: 1px solid var(--calc-exp-border);
}
.calc-exp-result-row:last-child { border-bottom: none; }
.calc-exp-result-total   { background: var(--calc-exp-bg-alt); }
.calc-exp-result-label   { font-weight: 500; color: var(--calc-exp-text-muted); font-size: .95rem; }
.calc-exp-result-value   { font-weight: 600; font-size: 1rem; }
.calc-exp-result-price   { font-size: 1.5rem; color: var(--calc-exp-primary); font-weight: 700; }

.calc-exp-disclaimer {
    text-align: center;
    color: var(--calc-exp-text-muted);
    font-size: .8rem;
    margin: .6rem 0 0;
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Quote / Devis button and form
-------------------------------------------------------------------------- */
.calc-exp-devis-area {
    margin-top: 1rem;
    text-align: center;
}
.calc-exp-devis-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 2rem;
    background: #fff;
    color: var(--calc-exp-primary);
    border: 2px solid var(--calc-exp-primary);
    border-radius: var(--calc-exp-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s, color .2s;
}
.calc-exp-devis-btn:hover {
    background: var(--calc-exp-primary);
    color: #fff;
}

.calc-exp-devis-form {
    background: var(--calc-exp-bg-alt);
    border: 1px solid var(--calc-exp-border);
    border-radius: var(--calc-exp-radius);
    padding: 1.5rem;
    margin-top: 1rem;
    text-align: left;
}
.calc-exp-devis-form h4 {
    margin: 0 0 1rem;
    font-size: 1.05rem;
    color: var(--calc-exp-text);
}
.calc-exp-devis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .85rem;
    margin-bottom: .85rem;
}
@media (max-width: 520px) {
    .calc-exp-devis-grid { grid-template-columns: 1fr; }
}
.calc-exp-devis-field {
    display: flex;
    flex-direction: column;
    gap: .3rem;
}
.calc-exp-devis-field.full-width { grid-column: 1 / -1; }
.calc-exp-devis-field label { font-size: .85rem; font-weight: 600; }
.calc-exp-devis-field input,
.calc-exp-devis-field textarea,
.calc-exp-devis-field select {
    padding: .6rem .85rem;
    border: 1px solid var(--calc-exp-border);
    border-radius: var(--calc-exp-radius-sm);
    font-size: .95rem;
    color: var(--calc-exp-text);
    background: var(--calc-exp-bg);
    box-sizing: border-box;
    width: 100%;
    outline: none;
}
.calc-exp-devis-field input:focus,
.calc-exp-devis-field textarea:focus { border-color: var(--calc-exp-primary); }
.calc-exp-devis-field textarea { resize: vertical; min-height: 80px; }

.calc-exp-devis-submit {
    background: var(--calc-exp-primary);
    color: #fff;
    border: none;
    border-radius: var(--calc-exp-radius-sm);
    padding: .7rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s;
}
.calc-exp-devis-submit:hover { background: var(--calc-exp-primary-dark); }
.calc-exp-devis-submit:disabled { opacity: .6; cursor: not-allowed; }

.calc-exp-devis-success {
    display: flex;
    align-items: center;
    gap: .75rem;
    background: var(--calc-exp-success-bg);
    color: var(--calc-exp-success);
    border: 1px solid #95d5b2;
    border-radius: var(--calc-exp-radius-sm);
    padding: 1rem 1.25rem;
    font-weight: 600;
    margin-top: 1rem;
}

/* Error */
.calc-exp-error {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: var(--calc-exp-radius-sm);
    padding: .9rem 1.25rem;
    color: #856404;
    margin-bottom: 1.25rem;
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Tarifs table
-------------------------------------------------------------------------- */
.calc-exp-table-section { margin-top: 2.5rem; }
.calc-exp-table-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: .85rem;
    padding-bottom: .4rem;
    border-bottom: 2px solid var(--calc-exp-primary);
    display: inline-block;
}
.calc-exp-table-scroll {
    overflow-x: auto;
    border-radius: var(--calc-exp-radius);
    box-shadow: var(--calc-exp-shadow);
}
.calc-exp-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--calc-exp-bg);
    font-size: .88rem;
}
.calc-exp-table thead th {
    background: var(--calc-exp-primary);
    color: #fff;
    padding: .85rem .9rem;
    text-align: center;
    font-weight: 600;
    white-space: nowrap;
}
.calc-exp-table thead th:first-child { text-align: left; }
.calc-exp-table tbody tr:nth-child(even) { background: var(--calc-exp-bg-alt); }
.calc-exp-table tbody tr:hover { background: #fff5f5; }
.calc-exp-table td {
    padding: .7rem .9rem;
    text-align: center;
    border-bottom: 1px solid var(--calc-exp-border);
    vertical-align: middle;
}
.calc-exp-table-dest { text-align: left !important; min-width: 150px; }
.calc-exp-table-dest strong { display: block; }
.calc-exp-table-dest small  { color: var(--calc-exp-text-muted); font-size: .8rem; }
.calc-exp-prix-cell { font-weight: 600; white-space: nowrap; }
.calc-exp-prix-cell small { font-weight: 400; color: var(--calc-exp-text-muted); margin-left: 2px; }
.calc-exp-delai-cell { color: var(--calc-exp-text-muted); font-size: .85rem; white-space: nowrap; }
.calc-exp-na { color: #ccc; }