/* =============================================
   SISTEMA DE PRESTAMOS - Estilos
   ============================================= */

:root {
    --bg:         #0f1117;
    --bg2:        #1a1d27;
    --bg3:        #22263a;
    --border:     #2e3350;
    --accent:     #f0b429;
    --accent2:    #e8850a;
    --text:       #e8eaf0;
    --text2:      #8b90a8;
    --danger:     #e53e3e;
    --success:    #38a169;
    --radius:     10px;
    --shadow:     0 4px 24px rgba(0,0,0,0.4);
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    font-size: 15px;
}

/* ---- LOGIN ---- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(ellipse at 60% 40%, #1e2340 0%, #0f1117 70%);
}
.login-container {
    width: 100%;
    max-width: 380px;
    padding: 0 20px;
}
.login-brand {
    text-align: center;
    margin-bottom: 36px;
}
.login-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px; height: 64px;
    background: var(--accent);
    color: #000;
    border-radius: 16px;
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 16px;
}
.login-brand h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.4rem;
    letter-spacing: 4px;
    color: var(--text);
}
.login-brand p {
    color: var(--text2);
    font-size: 13px;
    margin-top: 4px;
}
.login-form {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}

/* ---- TOPBAR ---- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.3rem;
    letter-spacing: 3px;
    color: var(--accent);
}
.topbar-icon {
    width: 32px; height: 32px;
    background: var(--accent);
    color: #000;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 900;
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.topbar-user { color: var(--text2); font-size: 13px; }

/* ---- DASHBOARD ---- */
.dashboard {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 20px;
}
.vista { display: none; }
.vista.activa { display: block; }

/* MENU GRID */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 16px;
}
.menu-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s, transform 0.15s;
    width: 100%;
}
.menu-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}
.menu-card-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}
.menu-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.menu-card-desc { color: var(--text2); font-size: 13px; }

/* VISTA HEADER */
.vista-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}
.vista-header h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.6rem;
    letter-spacing: 2px;
    color: var(--accent);
}
.btn-back {
    background: none;
    border: 1px solid var(--border);
    color: var(--text2);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s;
}
.btn-back:hover { border-color: var(--accent); color: var(--accent); }

/* CARD */
.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

/* FORMS */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.5px; }
.form-hint { font-size: 11px; color: var(--text2); }

input[type="text"],
input[type="number"],
input[type="date"],
input[type="password"],
select {
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 6px;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    transition: border-color 0.2s;
    width: 100%;
}
input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}

.input-with-btn { position: relative; }
.suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg3);
    border: 1px solid var(--accent);
    border-top: none;
    border-radius: 0 0 6px 6px;
    z-index: 50;
    max-height: 180px;
    overflow-y: auto;
    display: none;
}
.suggestions-dropdown.open { display: block; }
.suggestion-item {
    padding: 9px 12px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.1s;
}
.suggestion-item:hover { background: var(--bg2); color: var(--accent); }

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* PREVIEW CUOTAS */
.preview-cuotas {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--text2);
    min-height: 80px;
    max-height: 130px;
    overflow-y: auto;
}
.preview-empty { font-style: italic; }
.preview-item { padding: 2px 0; }
.preview-item span { color: var(--accent); font-weight: 600; }

/* BUTTONS */
.btn {
    padding: 10px 20px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
}
.btn-primary { background: var(--accent); color: #000; font-weight: 700; }
.btn-primary:hover { background: var(--accent2); }
.btn-secondary { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c53030; }
.btn-outline { background: none; border: 1px solid var(--border); color: var(--text2); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-full { width: 100%; }

/* ALERTS */
.alert {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
}
.alert-error { background: rgba(229,62,62,0.15); border: 1px solid var(--danger); color: #fc8181; }
.alert-success { background: rgba(56,161,105,0.15); border: 1px solid var(--success); color: #68d391; }

/* SEARCH BAR */
.search-bar { margin-bottom: 20px; }

/* CONSULTA RESULTADOS */
.cliente-block {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}
.cliente-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg3);
    cursor: pointer;
}
.cliente-block-header h3 { font-size: 1rem; font-weight: 600; }
.cliente-block-body { padding: 16px; }
.prestamo-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}
.prestamo-row:last-child { border-bottom: none; }
.prestamo-info { flex: 1; }
.prestamo-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    margin-right: 6px;
    background: var(--accent);
    color: #000;
}
.prestamo-badge.PE { background: #805ad5; color: #fff; }
.prestamo-badge.PX { background: #2b6cb0; color: #fff; }
.prestamo-detail { font-size: 13px; color: var(--text2); margin-top: 4px; }
.prestamo-cuotas-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
}
.cuota-chip {
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text2);
}
.cuota-chip.primera { border-color: var(--success); color: var(--success); }
.cuota-chip.ultima   { border-color: var(--danger);  color: var(--danger); }
.prestamo-acciones { display: flex; gap: 8px; align-items: flex-start; }

/* COBROS */
.fecha-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.fecha-selector label { color: var(--text2); font-size: 13px; }
.cobro-cliente {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}
.cobro-cliente-header {
    padding: 10px 16px;
    background: var(--bg3);
    font-weight: 600;
    font-size: 1rem;
}
.cobro-cliente-body { padding: 12px 16px; }
.cobro-linea {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    flex-wrap: wrap;
    padding: 4px 0;
    color: var(--text2);
}
.cobro-valor { color: var(--text); font-weight: 600; }
.cobro-total {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
}
.cobro-empty {
    text-align: center;
    color: var(--text2);
    padding: 40px 0;
    font-size: 14px;
}

/* MODAL */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 20px;
}
.modal {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 520px;
    box-shadow: var(--shadow);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 600; }
.modal-close {
    background: none; border: none; color: var(--text2);
    cursor: pointer; font-size: 18px; padding: 0 4px;
}
.modal-body { padding: 20px; }
.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

/* TOAST */
.toast {
    position: fixed;
    bottom: 24px; right: 24px;
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 300;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s;
    pointer-events: none;
    max-width: 320px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { border-color: var(--success); }
.toast.error   { border-color: var(--danger); }

/* ---- IMPRESION ---- */
@media print {
    body {
        background: #fff !important;
        color: #000 !important;
        font-family: 'Courier New', monospace;
        font-size: 12pt;
    }
    .topbar, .vista-header, .fecha-selector, #cobros-print-btn,
    .btn, .btn-back, header { display: none !important; }
    .card { border: none !important; padding: 0 !important; background: none !important; }
    .cobro-cliente {
        border: none !important;
        border-bottom: 1px solid #000 !important;
        border-radius: 0 !important;
        page-break-inside: avoid;
    }
    .cobro-cliente-header {
        background: none !important;
        font-size: 13pt;
        font-weight: bold;
        padding: 6pt 0 !important;
        border-bottom: 1px solid #000;
    }
    .cobro-cliente-body { padding: 4pt 0 !important; }
    .cobro-linea { color: #000 !important; font-size: 11pt; }
    .cobro-valor { color: #000 !important; font-weight: bold; }
    .cobro-total { color: #000 !important; font-size: 12pt; font-weight: bold; }
    #print-fecha-header {
        font-size: 16pt;
        font-weight: bold;
        text-align: center;
        margin-bottom: 12pt;
        border-bottom: 2px solid #000;
        padding-bottom: 6pt;
    }
    .cobro-empty { display: none !important; }
}