/* Variables */
:root {
    --primary-color: #2c3e50;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --bg-color: #f5f7fa;
}

body {
    padding-top: 50px;
    background-color: var(--bg-color);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 51px;
    bottom: 0;
    left: 0;
    z-index: 1000;
    display: block;
    padding: 20px;
    overflow-x: hidden;
    overflow-y: auto;
    background-color: var(--primary-color);
    border-right: 1px solid #eee;
}

.nav-sidebar {
    margin-right: -21px;
    margin-left: -20px;
    margin-bottom: 20px;
}
.nav-sidebar > li > a {
    padding-right: 20px;
    padding-left: 20px;
    color: #ecf0f1;
}
.nav-sidebar > .active > a,
.nav-sidebar > .active > a:hover,
.nav-sidebar > .active > a:focus {
    color: #fff;
    background-color: #1a252f;
}
.nav-sidebar > li > a:hover {
    background-color: #34495e;
}

/* Main Content */
.main-content {
    padding: 20px;
}

/* Cards/Panels */
.panel {
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Balance Cards */
.balance-card .huge {
    font-size: 32px;
    font-weight: bold;
}
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }

/* Badges */
.badge-ingreso { background-color: var(--success-color); }
.badge-egreso { background-color: var(--danger-color); }
.badge-pending { background-color: var(--warning-color); }
.badge-approved { background-color: var(--success-color); }
.badge-rejected { background-color: var(--danger-color); }

/* Strikethrough for voided items */
.voided {
    text-decoration: line-through;
    color: #95a5a6;
}

/* Forms */
.amount-input {
    font-size: 24px;
    height: 50px;
    font-weight: bold;
}

/* Wizard Steps */
.wizard-steps { margin-bottom: 20px; }
.step-panel { display: none; }
.step-panel.active { display: block; }

/* Spinners */
.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    display: none;
    margin: 0 auto;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Currency Toggle */
.currency-toggle .btn { padding: 10px 20px; font-weight: bold; }

/* Responsive Utilities */
@media (max-width: 767px) {
    .sidebar {
        position: static;
        width: 100%;
        padding: 10px;
    }
    .main-content {
        padding-top: 15px;
    }
}