/* ─── Variables ─────────────────────────────────────────────────────────────── */
:root {
    --primary:       #0077b6;
    --primary-dark:  #03045e;
    --primary-light: #90e0ef;
    --accent:        #00b4d8;
    --accent-hover:  #0096c7;
    --success:       #2d9d5f;
    --success-bg:    #edfaf3;
    --success-border:#a3dfbf;
    --danger:        #d62828;
    --danger-bg:     #fff0f0;
    --danger-border: #f5c0c0;
    --warning:       #e07c24;
    --warning-bg:    #fff8ee;
    --warning-border:#f5d9b0;
    --gray-50:       #f7f9fc;
    --gray-100:      #eef1f6;
    --gray-200:      #dde3ec;
    --gray-400:      #9aa5b4;
    --gray-600:      #627082;
    --gray-800:      #2d3748;
    --gray-900:      #1a202c;
    --white:         #ffffff;
    --radius:        14px;
    --radius-sm:     8px;
    --shadow-sm:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:     0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.07);
    --shadow-lg:     0 10px 40px rgba(0,0,0,.14), 0 4px 16px rgba(0,0,0,.08);
    --font:          'Inter', system-ui, sans-serif;
    --transition:    .2s ease;
}

/* ─── Reset & base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }

body {
    font-family: var(--font);
    color: var(--gray-800);
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* ─── LOGIN PAGE ────────────────────────────────────────────────────────────── */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

/* Círculos decorativos de fondo */
.bg-circles { position: absolute; inset: 0; pointer-events: none; }
.bg-circles span {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,.06);
    animation: float 8s ease-in-out infinite;
}
.bg-circles span:nth-child(1) { width: 400px; height: 400px; top: -120px; left: -100px; animation-delay: 0s; }
.bg-circles span:nth-child(2) { width: 280px; height: 280px; bottom: -60px; right: -80px; animation-delay: 3s; }
.bg-circles span:nth-child(3) { width: 160px; height: 160px; top: 50%; right: 10%; animation-delay: 1.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50%       { transform: translateY(-20px) scale(1.04); }
}

.login-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 36px;
    box-shadow: var(--shadow-lg);
}

/* Brand */
.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.brand-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    padding: 12px;
}
.brand-icon svg { width: 100%; height: 100%; }

.brand-icon--sm {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    padding: 7px;
    flex-shrink: 0;
}

.login-brand h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -.5px;
}
.login-brand p {
    font-size: .875rem;
    color: var(--gray-600);
    margin-top: 4px;
}

/* Alert */
.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: .875rem;
    margin-bottom: 20px;
    line-height: 1.4;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; }
.alert-error {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger);
}

/* Formularios */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.form-group input,
.input-currency input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: .9375rem;
    font-family: var(--font);
    color: var(--gray-900);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
.form-group input:focus,
.input-currency input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,180,216,.15);
}
.form-group input::placeholder,
.input-currency input::placeholder { color: var(--gray-400); }

.input-password {
    position: relative;
}
.input-password input { padding-right: 44px; }
.toggle-pass {
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 44px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition);
}
.toggle-pass:hover { color: var(--primary); }
.toggle-pass svg { width: 18px; height: 18px; }

.field-hint {
    display: block;
    font-size: .75rem;
    color: var(--gray-400);
    margin-top: 5px;
}

/* Botones */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 24px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: .9375rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 14px rgba(0,119,182,.35);
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary:hover  { opacity: .92; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,119,182,.40); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn-primary svg { width: 18px; height: 18px; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 20px;
    background: var(--gray-100);
    color: var(--gray-600);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: .9375rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}
.btn-secondary:hover  { background: var(--gray-200); color: var(--gray-800); }
.btn-secondary svg { width: 16px; height: 16px; }

.btn-full { width: 100%; }

.login-footer {
    text-align: center;
    font-size: .8125rem;
    color: var(--gray-400);
    margin-top: 24px;
}

/* ─── DASHBOARD ─────────────────────────────────────────────────────────────── */
.dashboard-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    background: linear-gradient(90deg, var(--primary-dark), var(--primary));
    color: white;
    box-shadow: 0 2px 12px rgba(0,0,0,.2);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-name {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -.3px;
    color: white;
}
.header-user {
    display: flex;
    align-items: center;
    gap: 16px;
}
.user-info {
    text-align: right;
    display: flex;
    flex-direction: column;
}
.user-name {
    font-size: .875rem;
    font-weight: 600;
    color: white;
    line-height: 1.2;
}
.user-discount {
    font-size: .75rem;
    color: var(--primary-light);
    line-height: 1.2;
}
.btn-logout {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: var(--radius-sm);
    color: white;
    font-size: .8125rem;
    font-weight: 500;
    font-family: var(--font);
    text-decoration: none;
    cursor: pointer;
    transition: background var(--transition);
    white-space: nowrap;
}
.btn-logout:hover { background: rgba(255,255,255,.22); }
.btn-logout svg { width: 15px; height: 15px; }

/* Main */
.main {
    flex: 1;
    padding: 40px 24px;
}
.container {
    max-width: 700px;
    margin: 0 auto;
}
.page-title {
    margin-bottom: 28px;
}
.page-title h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -.4px;
}
.page-title p {
    font-size: .9rem;
    color: var(--gray-600);
    margin-top: 6px;
    line-height: 1.5;
}

/* Card */
.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 32px;
}
.card--form { margin-bottom: 24px; }

/* Form row */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.input-currency {
    position: relative;
}
.currency-symbol {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: .9375rem;
    font-weight: 600;
    color: var(--gray-400);
    pointer-events: none;
    z-index: 1;
}
.input-currency input { padding-left: 28px; }

.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

/* ─── RESULTADO ─────────────────────────────────────────────────────────────── */
.resultado {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    animation: slideUp .3s ease;
}
.resultado.hidden { display: none; }

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Estado banner */
.resultado-header {
    padding: 20px 28px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.resultado-header .status-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.status-icon svg { width: 24px; height: 24px; }

.resultado-header .status-text h3 {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
}
.resultado-header .status-text p {
    font-size: .875rem;
    margin-top: 2px;
    opacity: .85;
}

/* Activo */
.resultado--activo .resultado-header { background: var(--success); color: white; }
.resultado--activo .status-icon { background: rgba(255,255,255,.25); }

/* Inactivo */
.resultado--inactivo .resultado-header { background: var(--danger); color: white; }
.resultado--inactivo .status-icon { background: rgba(255,255,255,.25); }

/* No encontrado */
.resultado--no_encontrado .resultado-header { background: var(--warning); color: white; }
.resultado--no_encontrado .status-icon { background: rgba(255,255,255,.25); }

/* Body del resultado */
.resultado-body {
    background: var(--white);
    padding: 24px 28px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.info-item label {
    display: block;
    font-size: .75rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 4px;
}
.info-item span {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}
.info-item span.monto-final {
    font-size: 1.5rem;
    color: var(--success);
    letter-spacing: -.3px;
}
.info-item span.monto-tachado {
    font-size: .875rem;
    color: var(--gray-400);
    text-decoration: line-through;
    font-weight: 400;
}

.divider {
    height: 1px;
    background: var(--gray-100);
    margin: 20px 0;
}

.badge-descuento {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    border-radius: 99px;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--success);
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255,255,255,.4);
    border-top-color: white;
    border-radius: 50%;
    animation: spin .6s linear infinite;
    flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.footer {
    padding: 20px 24px;
    text-align: center;
    font-size: .8125rem;
    color: var(--gray-400);
    border-top: 1px solid var(--gray-100);
    background: var(--white);
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 560px) {
    .login-card { padding: 32px 24px; }

    .header-inner { padding: 0 16px; }
    .user-info { display: none; }

    .main { padding: 24px 16px; }
    .card { padding: 20px; }

    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-actions { flex-direction: column; }
    .btn-primary, .btn-secondary { width: 100%; }

    .info-grid { grid-template-columns: 1fr; }
    .resultado-body { padding: 20px; }
    .resultado-header { padding: 16px 20px; }
}