:root {
    --bg-color: #F4F7FB;
    --text-primary: #0B1134;
    --text-secondary: #64748B;
    --panel-bg: #FFFFFF;
    --panel-border: rgba(11, 17, 52, 0.08); /* slight dark border */
    --accent-1: #4169E1;
    --accent-2: #2747A6;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow-x: hidden;
    position: relative;
    padding: 2rem;
}

.background-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, rgba(65, 105, 225, 0.05) 0%, rgba(244, 247, 251, 1) 60%);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1100px;
    width: 100%;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.app-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
}

.glass-panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

h2, h3 {
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.mt-4 { margin-top: 2rem; }
.mt-2 { margin-top: 1rem; }
.text-center { text-align: center; }

/* Inputs */
.input-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.input-group input {
    background: #FFFFFF;
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 1rem;
    font-size: 1.1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-weight: 500;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    outline: none;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.input-group input:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px rgba(65, 105, 225, 0.15);
}

.action-btn {
    background: #F8FAFC;
    color: var(--text-secondary);
    border: 1px solid var(--panel-border);
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s;
    font-family: inherit;
}
.action-btn:hover {
    background: #F1F5F9;
    color: var(--text-primary);
}

/* Dashboard Results */
.metric-row {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 1.5rem;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric .label {
    font-size: 0.80rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
}

.metric .value {
    font-size: 1.4rem;
    font-weight: 700;
    transition: color 0.3s ease;
    color: var(--text-primary);
}

.accent { color: var(--accent-1) !important; }

.savings-card {
    position: relative;
    overflow: hidden;
    border-top: 4px solid var(--accent-1);
}

.metric.highlight {
    margin-top: 1.5rem;
    align-items: center;
    background: #F8FAFC;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--panel-border);
}

.value.success { color: var(--success); }
.value.giant {
    font-size: 2.5rem;
    font-weight: 800;
}

/* Compare Scenarios Grid */
.compare-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.compare-col {
    background: #F8FAFC;
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}
.compare-col:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.06);
    border-color: var(--accent-1);
}
.compare-col label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
}
.input-target {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: -0.5rem;
}
.input-target input {
    width: 60px;
    padding: 0.4rem;
    border: 1px solid var(--panel-border);
    border-radius: 4px;
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
}
.input-target input:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 2px rgba(65, 105, 225, 0.2);
}
.input-target span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}
.cmp-result {
    display: flex;
    flex-direction: column;
}
.cmp-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.2rem;
}
.cmp-val {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}
.highlight-res {
    background: #FFFFFF;
    padding: 0.8rem;
    border-radius: 6px;
    border-left: 3px solid var(--accent-1);
    border: 1px solid rgba(65, 105, 225, 0.1);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}
.cmp-val.success {
    color: var(--success);
}
.cmp-footer {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-1);
    margin-top: auto;
    padding-top: 0.5rem;
}

/* SCHEDULE TABLE SECTION */
.schedule-section {
    margin-top: 2rem;
}

.table-wrapper {
    max-height: 500px;
    overflow-y: auto;
    border-radius: 8px;
    border: 1px solid var(--panel-border);
    background: #FFFFFF;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem 1rem;
    border-bottom: 1px solid var(--panel-border);
    font-size: 0.95rem;
    white-space: nowrap;
}

th {
    background: #F8FAFC;
    position: sticky;
    top: 0;
    z-index: 10;
    color: var(--text-primary);
    font-weight: 600;
    border-bottom: 2px solid var(--panel-border);
}

tbody tr:hover {
    background: #F8FAFC;
}

/* Current Month Highlight */
.current-month-row {
    background: rgba(65, 105, 225, 0.04) !important;
    border-left: 4px solid var(--accent-1);
    position: relative;
}

.current-month-row td:first-child::before {
    content: "CURRENT";
    position: absolute;
    top: 5px;
    left: 45px;
    background: var(--accent-1);
    color: white;
    font-size: 0.6rem;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.month-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    font-weight: 500;
}

/* Edit State Classes */
.hidden { display: none !important; }

.display-box, .edit-box {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.val-text {
    display: inline-block;
    min-width: 60px;
    color: var(--text-primary);
    font-weight: 600;
}

.action-edit-btn, .action-save-btn {
    background: transparent;
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    font-family: inherit;
}
.action-edit-btn {
    color: var(--accent-1);
    background: rgba(65, 105, 225, 0.05);
    border-color: rgba(65, 105, 225, 0.2);
}
.action-edit-btn:hover {
    background: var(--accent-1);
    color: #FFF;
}

.action-save-btn {
    background: var(--success);
    color: #FFF;
    border-color: var(--success);
}
.action-save-btn:hover {
    background: #059669; /* darker emerald */
}

.edit-box input {
    width: 90px;
    padding: 0.45rem;
    background: #FFFFFF;
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    color: var(--text-primary);
    font-weight: 600;
    outline: none;
    font-family: inherit;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
}
.edit-box input:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 2px rgba(65, 105, 225, 0.2);
}

/* Disabled Row */
tr.row-done {
    opacity: 0.4;
    pointer-events: none;
}
tr.row-done .action-edit-btn {
    display: none;
}

.table-wrapper::-webkit-scrollbar { width: 8px; }
.table-wrapper::-webkit-scrollbar-track { background: #F8FAFC; }
.table-wrapper::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 4px;
}

@media (max-width: 900px) {
    .app-layout { grid-template-columns: 1fr; }
    .metric-row { flex-direction: column; align-items:flex-start; gap: 1rem; }
    .compare-grid { grid-template-columns: 1fr; }
    header h1 { font-size: 2rem; }
}

.quick-pay-panel {
    background: linear-gradient(135deg, rgba(65, 105, 225, 0.05) 0%, rgba(39, 71, 166, 0.05) 100%);
    border: 1px solid rgba(65, 105, 225, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.quick-pay-panel h3 {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quick-pay-panel .input-group {
    margin-bottom: 0;
}

.quick-pay-info {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    display: block;
}

/* Cloud Sync Styling */
.cloud-sync-panel {
    background: #F8FAFC;
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 1.2rem;
    margin-bottom: 2rem;
}

.cloud-sync-panel h3 {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: var(--accent-1);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.sync-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.sync-btn {
    border-radius: 6px;
    padding: 0.6rem;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid var(--panel-border);
    font-family: inherit;
    transition: all 0.2s;
}

.sync-btn.save {
    background: #FFF;
    color: var(--text-primary);
}
.sync-btn.save:hover {
    background: var(--accent-1);
    color: #FFF;
    border-color: var(--accent-1);
}

.sync-btn.load {
    background: #FFF;
    color: var(--text-primary);
}
.sync-btn.load:hover {
    background: var(--success);
    color: #FFF;
    border-color: var(--success);
}

.sync-status {
    margin-top: 0.8rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}
.sync-status.success { color: var(--success); }
.sync-status.error { color: var(--danger); }
.sync-status.loading { 
    color: var(--accent-1); 
    animation: statusPulse 1.5s infinite;
}

@keyframes statusPulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}