/**
 * KalkDesk — Haupt-Stylesheet
 * Farbschema: #2563eb (Primär Blau), #10b981 (Akzent Grün)
 */

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

/* ─── CSS Variables ─────────────────────────────────────────────────────── */
:root {
    --kd-primary:       #2563eb;
    --kd-primary-dark:  #1d4ed8;
    --kd-primary-light: #dbeafe;
    --kd-accent:        #10b981;
    --kd-accent-dark:   #059669;
    --kd-accent-light:  #d1fae5;
    --kd-gray-50:       #f8fafc;
    --kd-gray-100:      #f1f5f9;
    --kd-gray-200:      #e2e8f0;
    --kd-gray-400:      #94a3b8;
    --kd-gray-600:      #475569;
    --kd-gray-800:      #1e293b;
    --kd-danger:        #dc2626;
    --kd-warning:       #d97706;
    --kd-bg:            #f1f5f9;
    --kd-surface:       #ffffff;
    --kd-border:        #e2e8f0;
    --kd-radius:        0.5rem;
    --kd-shadow:        0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
    --kd-shadow-md:     0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.06);
}

/* ─── Base ──────────────────────────────────────────────────────────────── */
body {
    font-family: 'Inter', sans-serif;
    background: var(--kd-bg);
    color: var(--kd-gray-800);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content { flex: 1; }

/* ─── Navbar ────────────────────────────────────────────────────────────── */
.kd-navbar {
    background: var(--kd-gray-800);
    border-bottom: 3px solid var(--kd-primary);
    padding: 0.6rem 0;
}

.kd-navbar .navbar-brand { font-size: 1.15rem; }
.kd-navbar .nav-link { color: rgba(255,255,255,.7) !important; font-size: .875rem; padding: .5rem .75rem; border-radius: .375rem; transition: all .15s; }
.kd-navbar .nav-link:hover { color: #fff !important; background: rgba(255,255,255,.08); }
.kd-navbar .nav-link.active { color: #fff !important; background: var(--kd-primary); }
.kd-navbar .dropdown-menu { border: 1px solid var(--kd-border); box-shadow: var(--kd-shadow-md); border-radius: var(--kd-radius); font-size: .875rem; }
.kd-navbar .dropdown-item { padding: .45rem 1rem; }
.kd-navbar .dropdown-item:hover { background: var(--kd-primary-light); color: var(--kd-primary-dark); }
.kd-navbar .dropdown-item.active { background: var(--kd-primary); }

.kd-logo-mark {
    width: 2rem; height: 2rem;
    background: var(--kd-primary);
    border-radius: .375rem;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 1.1rem; color: white;
}

/* ─── Footer ────────────────────────────────────────────────────────────── */
.kd-footer {
    background: var(--kd-gray-800);
    border-top: 1px solid rgba(255,255,255,.05);
    color: var(--kd-gray-400);
}

/* ─── Page Header ───────────────────────────────────────────────────────── */
.kd-page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--kd-border);
}
.kd-page-header h1, .kd-page-header h2 {
    margin: 0; font-size: 1.4rem; font-weight: 700; color: var(--kd-gray-800);
}

/* ─── Cards ─────────────────────────────────────────────────────────────── */
.card {
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    box-shadow: var(--kd-shadow);
}
.card-header {
    background: var(--kd-gray-50);
    border-bottom: 1px solid var(--kd-border);
    font-weight: 600;
    font-size: .875rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--kd-gray-600);
}

/* ─── Buttons ───────────────────────────────────────────────────────────── */
.btn-primary {
    background: var(--kd-primary);
    border-color: var(--kd-primary);
    font-weight: 500;
}
.btn-primary:hover { background: var(--kd-primary-dark); border-color: var(--kd-primary-dark); }
.btn-success { background: var(--kd-accent); border-color: var(--kd-accent); font-weight: 500; }
.btn-success:hover { background: var(--kd-accent-dark); border-color: var(--kd-accent-dark); }

/* ─── Tables ────────────────────────────────────────────────────────────── */
.table th {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--kd-gray-600);
    font-weight: 600;
    background: var(--kd-gray-50);
}
.table td { vertical-align: middle; font-size: .875rem; }
.table-hover tbody tr:hover { background: var(--kd-primary-light); }

/* ─── Dashboard Stats ───────────────────────────────────────────────────── */
.kd-stat-card {
    background: var(--kd-surface);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.25rem;
    text-align: center;
    box-shadow: var(--kd-shadow);
}
.kd-stat-number {
    font-size: 2rem; font-weight: 700; color: var(--kd-primary); line-height: 1;
}
.kd-stat-label { color: var(--kd-gray-600); font-size: .8125rem; margin-top: .25rem; }

/* ─── Calculation Editor Layout ─────────────────────────────────────────── */
.kd-editor-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 1100px) {
    .kd-editor-layout { grid-template-columns: 1fr; }
}

/* ─── Result Panel (sticky) ─────────────────────────────────────────────── */
.kd-result-panel {
    background: var(--kd-gray-800);
    color: #fff;
    border-radius: var(--kd-radius);
    padding: 1.25rem;
    position: sticky;
    top: 1rem;
    box-shadow: var(--kd-shadow-md);
}
.kd-result-panel .panel-title {
    font-size: .7rem; font-weight: 700; letter-spacing: .1em;
    text-transform: uppercase; color: var(--kd-gray-400); margin-bottom: .75rem;
}
.kd-result-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: .3rem 0;
    font-size: .875rem;
    border-bottom: 1px solid rgba(255,255,255,.05);
}
.kd-result-row.total {
    font-size: 1rem; font-weight: 700;
    color: var(--kd-accent);
    border-bottom: none;
    padding-top: .5rem;
}
.kd-result-row.subtotal { color: rgba(255,255,255,.7); }
.kd-result-input {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    color: #fff;
    border-radius: .25rem;
    padding: .2rem .4rem;
    width: 60px;
    text-align: right;
    font-size: .8rem;
}
.kd-result-input:focus { outline: none; background: rgba(255,255,255,.15); border-color: var(--kd-primary); }

/* ─── Price Suggestions ─────────────────────────────────────────────────── */
.kd-suggestions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .75rem; }
.kd-price-pill {
    background: var(--kd-accent);
    color: #fff;
    border-radius: 2rem;
    padding: .35rem .75rem;
    font-size: .9rem;
    font-weight: 600;
    cursor: default;
    transition: transform .1s;
    border: none;
}
.kd-price-pill:hover { transform: scale(1.05); }

/* ─── Backward Calc Traffic Light ───────────────────────────────────────── */
.kd-traffic-green { color: #4ade80; }
.kd-traffic-yellow { color: #fbbf24; }
.kd-traffic-red { color: #f87171; }

/* ─── Cost Item Blocks ───────────────────────────────────────────────────── */
.kd-item-block {
    background: var(--kd-surface);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: .875rem 1rem;
    margin-bottom: .625rem;
    position: relative;
}
.kd-item-block:hover { border-color: var(--kd-primary); }

.kd-item-type-badge {
    display: inline-block;
    font-size: .65rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .06em;
    padding: .15rem .5rem;
    border-radius: 2rem;
}
.badge-material   { background: var(--kd-primary-light); color: var(--kd-primary-dark); }
.badge-labor      { background: #fef3c7; color: #92400e; }
.badge-machine    { background: #e0e7ff; color: #3730a3; }
.badge-packaging  { background: #d1fae5; color: #065f46; }
.badge-license_fee{ background: #fce7f3; color: #9d174d; }
.badge-fixed      { background: var(--kd-gray-200); color: var(--kd-gray-600); }

.kd-item-remove {
    position: absolute; top: .5rem; right: .5rem;
    background: none; border: none; color: var(--kd-gray-400);
    cursor: pointer; padding: .25rem; border-radius: 50%;
    transition: color .15s, background .15s;
    line-height: 1;
}
.kd-item-remove:hover { color: var(--kd-danger); background: #fee2e2; }

.kd-item-total {
    font-weight: 600; color: var(--kd-primary); font-size: .95rem; min-width: 5rem; text-align: right;
}

/* ─── Material type badge ───────────────────────────────────────────────── */
.mat-type-badge {
    font-size: .7rem; font-weight: 600; padding: .15rem .5rem;
    border-radius: 2rem; text-transform: uppercase; letter-spacing: .05em;
}
.mat-type-sheet   { background: #dbeafe; color: #1e40af; }
.mat-type-weight  { background: #fef3c7; color: #92400e; }
.mat-type-liquid  { background: #cffafe; color: #155e75; }
.mat-type-length  { background: #f0fdf4; color: #166534; }
.mat-type-piece   { background: #f5f3ff; color: #5b21b6; }

/* ─── Autocomplete Dropdown ─────────────────────────────────────────────── */
.kd-autocomplete-list {
    position: absolute; z-index: 1000;
    background: #fff;
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    box-shadow: var(--kd-shadow-md);
    max-height: 220px; overflow-y: auto;
    width: 100%;
    left: 0; top: 100%;
}
.kd-autocomplete-list .ac-item {
    padding: .5rem .75rem; cursor: pointer; font-size: .875rem;
    border-bottom: 1px solid var(--kd-gray-100);
    display: flex; justify-content: space-between; align-items: center;
}
.kd-autocomplete-list .ac-item:hover { background: var(--kd-primary-light); }
.kd-autocomplete-list .ac-price { color: var(--kd-gray-600); font-size: .8rem; }
.kd-autocomplete-wrapper { position: relative; }

/* ─── Article Number field ──────────────────────────────────────────────── */
.kd-article-number {
    font-family: 'Courier New', monospace;
    font-size: .875rem;
    letter-spacing: .025em;
}
.kd-article-number-display {
    font-family: 'Courier New', monospace;
    font-size: .75rem;
    color: var(--kd-gray-400);
    opacity: .7;
}

/* ─── Forms ─────────────────────────────────────────────────────────────── */
.form-label { font-size: .8125rem; font-weight: 600; color: var(--kd-gray-600); margin-bottom: .25rem; }
.form-control, .form-select {
    font-size: .875rem;
    border-color: var(--kd-border);
    border-radius: var(--kd-radius);
}
.form-control:focus, .form-select:focus {
    border-color: var(--kd-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

/* ─── Live Preview Box ──────────────────────────────────────────────────── */
.kd-live-preview {
    background: var(--kd-accent-light);
    border: 1px solid #6ee7b7;
    border-radius: var(--kd-radius);
    padding: .625rem 1rem;
    font-size: .875rem;
    color: #065f46;
    margin-top: .5rem;
}
.kd-live-preview strong { color: var(--kd-accent-dark); }

/* ─── Machine rate breakdown ────────────────────────────────────────────── */
.kd-rate-breakdown { font-size: .8rem; color: var(--kd-gray-600); }
.kd-rate-big { font-size: 1.5rem; font-weight: 700; color: var(--kd-primary); }

/* ─── Section dividers ──────────────────────────────────────────────────── */
.kd-section-label {
    font-size: .7rem; font-weight: 700; letter-spacing: .08em;
    text-transform: uppercase; color: var(--kd-gray-400);
    margin: 1rem 0 .5rem;
}

/* ─── Utilities ─────────────────────────────────────────────────────────── */
.fs-8 { font-size: .7rem; }
.text-primary { color: var(--kd-primary) !important; }
.text-success { color: var(--kd-accent) !important; }
.bg-primary-subtle { background: var(--kd-primary-light) !important; }