/* --- Root Variables: Paleta de culori noua, moderna si vibranta --- */
:root {
    --primary-color: #4A90E2; /* Albastru principal, luminos si modern */
    --primary-color-dark: #357ABD;
    --secondary-color: #4A4A4A; /* Gri inchis pentru text principal */
    --text-light: #9B9B9B; /* Gri deschis pentru etichete si text secundar */
    --background-color: #F7F8FC; /* Fundal foarte deschis, curat */
    --surface-color: #FFFFFF; /* Carduri albe, curate */
    --border-color: #EAEAEA; /* Borduri subtile */

    --success-color: #7ED321; /* Verde proaspat */
    --warning-color: #F5A623; /* Portocaliu cald */
    --danger-color: #D0021B; /* Rosu puternic */

    --font-family: 'Inter', -apple-system, BlinkMacSystem-Font, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --border-radius: 12px; /* Colturi MAI rotunjite (12px) */
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --transition: all 0.2s ease-in-out;
}

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

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--secondary-color);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header-ul aplicatiei - MODERNIZAT SI DIGITALIZAT */
.app-header {
    background: linear-gradient(to right, var(--surface-color) 0%, #F9FAFB 100%);
    padding: 1.75rem 0;
    margin-bottom: 3rem;
    border-bottom: 2px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.app-header h1 {
    font-size: 1.8rem;
    margin: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.5px;
}

/* Card-uri - MODERNIZATE SI DIGITALIZATE */
.card {
    background-color: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 2.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.03);
    overflow: hidden;
    transition: all 0.3s ease;
}
.card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08), 0 2px 5px rgba(0, 0, 0, 0.04);
}
.card-header {
    padding: 1.5rem 2rem;
    background: linear-gradient(to right, #F9FAFB 0%, #F3F4F6 100%);
    border-bottom: 2px solid var(--border-color);
    color: var(--secondary-color);
}
.card-header h2 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--primary-color-dark);
}
.card-body {
    padding: 1.5rem;
}
#tabel-produse .card-body {
    padding: 1rem;
}

/* Cardul de antet - Design special MODERNIZAT SI DIGITALIZAT */
.card-antet {
    background: linear-gradient(145deg, #4A90E2 0%, #357ABD 50%, #2868A8 100%);
    color: white;
    border-radius: 18px;
    box-shadow: 0 12px 35px rgba(53, 122, 189, 0.35), 0 2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: visible;
    border: 2px solid rgba(255, 255, 255, 0.2);
}
.card-antet::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    border-radius: 18px;
}
.card-antet .card-header {
    background: transparent;
    border: none;
    padding: 1.75rem 2rem 1rem 2rem;
}
.card-antet .card-body {
    background: transparent;
    border: none;
    padding: 0.5rem 2rem 2rem 2rem;
}
.card-antet .card-header h2 {
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}
.card-antet .form-group label {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.65rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}
.card-antet input[type="text"],
.card-antet input[type="date"],
.card-antet input[type="number"],
.card-antet .form-control {
    background: rgba(255, 255, 255, 0.22);
    border: 2px solid rgba(255, 255, 255, 0.35);
    color: white;
    border-radius: 14px;
    padding: 1rem 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(255, 255, 255, 0.1);
    font-weight: 500;
    font-size: 1.05rem;
    backdrop-filter: blur(10px);
    width: 100%;
}
.card-antet input::placeholder,
.card-antet .form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}
.card-antet input[type="text"]:focus,
.card-antet input[type="date"]:focus,
.card-antet input[type="number"]:focus,
.card-antet .form-control:focus {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.7);
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.25), inset 0 2px 4px rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
    outline: none;
}
.card-antet .autocomplete-container input {
    width: 100%;
}
.card-antet input::-webkit-calendar-picker-indicator {
    filter: invert(1) brightness(2);
    cursor: pointer;
}

/* Formulare - MODERNIZATE SI DIGITALIZATE */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.75rem 2.25rem;
}
.form-group {
    display: flex;
    flex-direction: column;
}
.form-group label {
    margin-bottom: 0.65rem;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-light);
    letter-spacing: 0.3px;
}
.form-control {
    width: 100%;
    padding: 0.85rem 1.15rem;
    font-size: 1rem;
    border: 2px solid #E8EDF2;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(to bottom, #FFFFFF 0%, #F9FAFB 100%);
    color: var(--secondary-color);
    font-weight: 500;
}
.form-control:hover {
    border-color: #C5D3E0;
    background: #FFFFFF;
}
.form-control:focus {
    border-color: var(--primary-color);
    background-color: var(--surface-color);
    outline: 0;
    box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.15), 0 2px 8px rgba(74, 144, 226, 0.1);
    transform: translateY(-1px);
}

/* Tabele - MODERNIZATE SI DIGITALIZATE */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border: 2px solid var(--border-color);
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
#tabel-produse, #tabel-oferte-salvate, #tabel-clienti, #tabel-produse-gestiune {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}
#tabel-produse th, #tabel-produse td,
#tabel-oferte-salvate th, #tabel-oferte-salvate td,
#tabel-clienti th, #tabel-clienti td,
#tabel-produse-gestiune th, #tabel-produse-gestiune td {
    padding: 0.5rem 0.4rem;
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid #F0F2F5;
    white-space: nowrap;
}
#tabel-produse thead th, #tabel-oferte-salvate thead th,
#tabel-clienti thead th, #tabel-produse-gestiune thead th {
    font-weight: 700;
    font-size: 0.65rem;
    text-transform: uppercase;
    color: #6B7280;
    background: linear-gradient(to bottom, #F9FAFB 0%, #F3F4F6 100%);
    letter-spacing: 0.3px;
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 0.5rem 0.4rem;
}
#tabel-produse tbody tr {
    transition: all 0.2s ease;
}
#tabel-produse tbody tr:hover {
    background-color: #F8FAFC;
}
#tabel-produse tr:last-child td, #tabel-oferte-salvate tr:last-child td,
#tabel-clienti tr:last-child td, #tabel-produse-gestiune tr:last-child td {
    border-bottom: none;
}
#tabel-oferte-salvate tbody tr:hover, #tabel-clienti tbody tr:hover, #tabel-produse-gestiune tbody tr:hover {
    background-color: #F1F5FF;
    transform: scale(1.001);
}
#tabel-produse .col-select {
    width: 35px;
    text-align: center;
    padding-left: 0.5rem;
    padding-right: 0.3rem;
}
#tabel-produse .col-select input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary-color);
}
#tabel-produse .col-actions {
    width: 50px;
    text-align: center;
    padding-left: 0.3rem;
    padding-right: 0.5rem;
}
#tabel-produse .col-price {
    text-align: right;
    font-weight: 700;
    color: var(--primary-color-dark);
}

/* Campuri in tabelul de oferta - MODERNIZATE SI DIGITALIZATE */
#tabel-produse {
    font-size: 0.8rem;
}
#tabel-produse tbody .form-control {
    border: 2px solid #E8EDF2;
    border-radius: 8px;
    font-size: 0.8rem;
    padding: 0.4rem 0.5rem;
    min-width: 60px;
    background: linear-gradient(to bottom, #FFFFFF 0%, #F9FAFB 100%);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}
#tabel-produse tbody .form-control:hover {
    border-color: #C5D3E0;
    background: #FFFFFF;
}
#tabel-produse tbody .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.15), 0 1px 4px rgba(74, 144, 226, 0.1);
    position: relative;
    z-index: 2;
    background: #FFFFFF;
    transform: translateY(-1px);
}
#tabel-produse .form-control-static {
    font-weight: 700 !important;
    font-size: 0.8rem !important;
    color: var(--primary-color-dark) !important;
    background: transparent !important;
    border: none !important;
    padding: 0.4rem 0.5rem !important;
    box-shadow: none !important;
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 100% !important;
    text-align: right !important;
}
#tabel-produse .pret_unitar_discountat,
#tabel-produse .valoare_totala {
    font-weight: 700 !important;
    color: var(--primary-color-dark) !important;
    background: transparent !important;
    border: none !important;
    text-align: right !important;
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 100% !important;
}
#tabel-produse tbody select.form-control {
    cursor: pointer;
    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='%234A90E2' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.4rem center;
    background-size: 8px;
    padding-right: 1.5rem;
}
#tabel-produse tbody .cod_produs_oferta {
    min-width: 90px;
    font-family: 'Courier New', monospace;
    font-weight: 600;
}
#tabel-produse tbody .denumire_produs {
    min-width: 140px;
}
#tabel-produse tbody .producator {
    min-width: 95px;
}
#tabel-produse tbody .furnizor {
    min-width: 105px;
}
#tabel-produse tbody .cantitate {
    min-width: 50px;
    text-align: center;
}
#tabel-produse tbody .um {
    min-width: 65px;
}
#tabel-produse tbody .pret_unitar {
    min-width: 75px;
    text-align: right;
}
#tabel-produse tbody .discount_produs {
    min-width: 55px;
    text-align: center;
}
#tabel-produse tbody .pret_unitar_discountat {
    min-width: 85px;
    text-align: right;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    font-weight: 700 !important;
    color: var(--primary-color-dark) !important;
    padding: 0.4rem 0.5rem !important;
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 100% !important;
}
#tabel-produse tbody .valoare_totala {
    min-width: 85px;
    text-align: right;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    font-weight: 700 !important;
    color: var(--primary-color-dark) !important;
    padding: 0.4rem 0.5rem !important;
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 100% !important;
}

/* Butoane - MODERNIZATE SI DIGITALIZATE */
.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    padding: 0.8rem 1.75rem;
    font-size: 0.9rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}
.btn:hover::before {
    left: 100%;
}
.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}
.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
    color: white;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-color-dark) 0%, #2B5A94 100%);
}
.btn-secondary {
    background: linear-gradient(135deg, #E9ECEF 0%, #D8DDE2 100%);
    color: var(--secondary-color);
}
.btn-secondary:hover {
    background: linear-gradient(135deg, #D8DDE2 0%, #C5CBD3 100%);
}
.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #62B313 100%);
    color: white;
}
.btn-success:hover {
    background: linear-gradient(135deg, #62B313 0%, #4A8C0E 100%);
}
.btn-delete, .btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #B80017 100%);
    color: white;
    padding: 0.3rem 0.6rem;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
    border-radius: 6px;
}
.btn-delete:hover, .btn-danger:hover {
    background: linear-gradient(135deg, #B80017 0%, #900012 100%);
    transform: translateY(-2px);
}

.page-actions { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2.5rem; }
.page-actions-right { display: flex; gap: 0.75rem; }
.btn-new-offer {
    background: linear-gradient(135deg, #5D82F2 0%, #3C58D2 100%);
    font-size: 1rem; padding: 0.8rem 1.5rem; font-weight: 700;
}
.btn-new-offer:hover { box-shadow: 0 6px 20px rgba(74, 105, 189, 0.4); }

/* Tab-uri */
.tabs { display: flex; border-bottom: 1px solid var(--border-color); margin-bottom: -1px; }
.tab-link {
    padding: 0.85rem 1.75rem; font-weight: 600; color: var(--text-light);
    text-decoration: none; border-bottom: 3px solid transparent;
    transition: var(--transition);
}
.tab-link:hover { color: var(--primary-color); }
.tab-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}
.tabs + .card { border-top-left-radius: 0; border-top-right-radius: 0; }
.tabs + .card .card-body { padding: 0; }

/* Alte elemente */
.col-price { text-align: right; font-weight: 600; }

/* Butoane de actiuni tabel - MODERNIZATE */
#adauga-linie, #adauga-linii-multiple, #sterge-linii-goale {
    margin-top: 1.5rem;
    margin-right: 1rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}
#adauga-linie {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
}
#adauga-linii-multiple {
    background: linear-gradient(135deg, #6B7280 0%, var(--secondary-color) 100%);
    color: white;
}
#sterge-linii-goale {
    background: linear-gradient(135deg, var(--danger-color) 0%, #B80017 100%);
}

/* Autocomplete container - MODERNIZAT */
.autocomplete-container {
    position: relative;
    width: 100%;
}
.autocomplete-items {
    position: absolute;
    border: 2px solid var(--primary-color);
    border-top: none;
    z-index: 99;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 250px;
    overflow-y: auto;
    background-color: white;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}
.autocomplete-items div {
    padding: 0.85rem 1rem;
    cursor: pointer;
    background-color: white;
    border-bottom: 1px solid #F0F2F5;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    color: var(--secondary-color);
    font-weight: 500;
}
.autocomplete-items div:hover {
    background-color: #F1F5FF;
    padding-left: 1.25rem;
    color: var(--primary-color-dark);
}
.autocomplete-active {
    background-color: var(--primary-color);
    color: white !important;
}
.autocomplete-active:hover {
    background-color: var(--primary-color-dark);
    color: white !important;
}
.status-badge {
    padding: 0.3em 0.8em; font-size: 0.75rem; font-weight: 600;
    border-radius: 12px;
}
.status-badge[style*="#2ed573"] { background-color: #E4F8E5 !important; color: #1DA750; }
.status-badge[style*="#ffa502"] { background-color: #FFF4E5 !important; color: #F5A623; }
.status-badge[style*="#576574"] { background-color: #F1F2F6 !important; color: var(--secondary-color); }

.summary-section {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1.75rem 2rem;
    background: linear-gradient(to right, #F9FAFB 0%, #F3F4F6 100%);
    border-top: 2px solid var(--border-color);
    border-radius: 0 0 14px 14px;
    gap: 2rem;
}
.total-display {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color-dark);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.total-display span {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.subtotal-display {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-right: auto;
}
.subtotal-display span {
    color: var(--primary-color);
    font-weight: 700;
}

/*
 * ## STILURI PENTRU MODAL (Fereastra Pop-up) ##
 */
.modal {
    display: none;
    position: fixed; z-index: 1000;
    left: 0; top: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center;
}
.modal-content {
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    width: 90%; max-width: 800px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: slide-down 0.3s ease-out;
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.25rem 1.75rem; border-bottom: 1px solid var(--border-color);
}
.modal-header h2 { margin: 0; font-size: 1.2rem; color: var(--secondary-color); }
.close-btn { color: #aaa; font-size: 28px; font-weight: bold; cursor: pointer; transition: color 0.2s; }
.close-btn:hover { color: var(--danger-color); }
.modal-body { padding: 1.75rem; }
.modal-body .form-control { background-color: #f9fafb; }
.actions-footer { display: flex; gap: 1rem; }
@keyframes slide-down { from { transform: translateY(-30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }