:root {
    --primary: #2F5496;
    --primary-hover: #23406E;
    --primary-light: #E8EEF7;
    --success: #16a34a;
    --success-light: #dcfce7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 10px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow: 0 2px 8px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
    --shadow-lg: 0 10px 30px rgba(0,0,0,.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ============ LOGIN ============ */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2F5496 0%, #4a6dab 100%);
    padding: 20px;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: white;
    padding: 48px 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    font-size: 48px;
    margin-bottom: 12px;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.login-header .subtitle {
    color: var(--gray-500);
    font-size: 14px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-form label span {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
}

.login-form input {
    padding: 12px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 15px;
    transition: all .15s;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47,84,150,.15);
}

.alert.error {
    background: var(--danger-light);
    color: var(--danger);
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
}

/* ============ TOPBAR ============ */
.topbar {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 14px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-mini { font-size: 20px; }
.brand-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
}
.brand-sub {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
}

.user-area {
    display: flex;
    align-items: center;
    gap: 14px;
}

.user-email {
    font-size: 14px;
    color: var(--gray-600);
}

/* ============ TABS ============ */
.tabs {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 32px;
    display: flex;
    gap: 4px;
}

.tab {
    background: none;
    border: none;
    padding: 16px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all .15s;
    font-family: inherit;
}

.tab:hover {
    color: var(--gray-800);
    background: var(--gray-50);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--primary-light);
}

/* ============ CONTENT ============ */
.content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    gap: 24px;
    flex-wrap: wrap;
}

.panel-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.muted {
    color: var(--gray-500);
    font-size: 14px;
}

.model-selector {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 240px;
}

.model-selector label {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: .5px;
}

.select {
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    font-family: inherit;
}

.select:focus {
    outline: none;
    border-color: var(--primary);
}

/* ============ GRID ============ */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 1100px) {
    .grid-2 { grid-template-columns: 1fr; }
}

.card {
    background: white;
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 14px;
}

/* ============ INPUTS ============ */
.input-row {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
}

.input {
    flex: 1;
    padding: 11px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}

.input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47,84,150,.12);
}

.textarea {
    width: 100%;
    min-height: 180px;
    padding: 12px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    resize: vertical;
    margin-bottom: 14px;
}

.textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47,84,150,.12);
}

/* ============ BUTTONS ============ */
.btn-primary, .btn-secondary, .btn-ghost {
    padding: 11px 18px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-primary:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
}

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-secondary:disabled {
    opacity: .5;
    cursor: not-allowed;
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
    padding: 8px 14px;
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

/* ============ AMBIGUITY ============ */
.ambiguity-control {
    background: var(--gray-50);
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
}

.ambiguity-control label {
    font-size: 13px;
    color: var(--gray-700);
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
}

.range-double {
    display: flex;
    gap: 8px;
}

.range-double input {
    flex: 1;
}

/* ============ RESULTS ============ */
.result-box {
    padding: 0;
}

.result-box:empty { display: none; }

.result {
    padding: 16px 18px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 8px;
}

.result.alimentaire { background: var(--success-light); color: #166534; }
.result.non-alimentaire { background: var(--danger-light); color: #991b1b; }
.result.ambigu { background: var(--warning-light); color: #92400e; }
.result.search { background: var(--primary-light); color: var(--primary-hover); }
.result.chat { background: #fce7f3; color: #9d174d; }

.result-emoji { font-size: 32px; }

.result-main {
    flex: 1;
}

.result-label {
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 2px;
}

.result-score {
    font-size: 13px;
    opacity: .8;
}

.proba-bars {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.proba-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.proba-label {
    width: 70px;
    font-weight: 600;
}

.proba-bar-bg {
    flex: 1;
    height: 8px;
    background: rgba(0,0,0,.08);
    border-radius: 4px;
    overflow: hidden;
}

.proba-bar-fill {
    height: 100%;
    background: currentColor;
    opacity: .7;
    transition: width .3s;
}

.proba-value {
    width: 50px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ============ TABLE ============ */
.results-table-wrap {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.results-table thead {
    background: var(--gray-100);
    position: sticky;
    top: 0;
    z-index: 1;
}

.results-table th {
    text-align: left;
    padding: 10px 12px;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
}

.results-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--gray-100);
}

.results-table tbody tr:hover {
    background: var(--gray-50);
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .3px;
}

.badge.alimentaire { background: var(--success-light); color: #166534; }
.badge.non-alimentaire { background: var(--danger-light); color: #991b1b; }
.badge.ambigu { background: var(--warning-light); color: #92400e; }
.badge.search { background: var(--primary-light); color: var(--primary-hover); }
.badge.chat { background: #fce7f3; color: #9d174d; }

.loading {
    padding: 16px;
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
}

.error-msg {
    padding: 12px 16px;
    background: var(--danger-light);
    color: var(--danger);
    border-radius: 8px;
    font-size: 13px;
    margin-top: 8px;
}