/* ============================================
   ROCK CRE — Mortgage Calculator
   styles.css
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700&display=swap');

/* ---- Variables ---- */
:root {
    --navy:           #2b377f;
    --navy-dark:      #1e2759;
    --navy-light:     #3d4fa0;
    --purple:         #5764b2;
    --yellow:         #f5d83e;
    --yellow-dark:    #d4b920;

    --white:          #ffffff;
    --surface:        #f5f7fa;
    --surface-2:      #eef0f7;
    --border:         #dde0ec;
    --border-light:   #eaecf4;

    --text:           #1a2040;
    --text-muted:     #64748b;
    --text-light:     #94a3b8;

    --success:        #10b981;
    --error:          #ef4444;
    --warning:        #f59e0b;

    --radius-sm:      6px;
    --radius-md:      10px;
    --radius-lg:      16px;
    --radius-xl:      22px;

    --shadow-sm:      0 1px 3px rgba(43,55,127,0.08);
    --shadow-md:      0 4px 16px rgba(43,55,127,0.12);
    --shadow-lg:      0 12px 40px rgba(43,55,127,0.18);
    --transition:     0.2s ease;
}

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

body {
    font-family: 'Open Sans', Arial, sans-serif;
    background: var(--surface);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   WIDGET
   ============================================ */
.widget-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem 1rem;
    background: var(--surface);
}

.widget-container {
    width: 100%;
    max-width: 960px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* ============================================
   HEADER
   ============================================ */
.widget-header {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, var(--purple) 100%);
    padding: 1.25rem 2rem;
}

.widget-title {
    font-family: 'Open Sans', Arial, sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    line-height: 1.2;
}

.widget-subtitle {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.65);
    margin-top: 2px;
}

/* ============================================
   BODY LAYOUT
   ============================================ */
.widget-body {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 0;
    min-height: 540px;
}

/* ============================================
   INPUT COLUMN
   ============================================ */
.input-column {
    padding: 1.75rem;
    border-right: 1px solid var(--border-light);
    background: var(--navy);
    display: flex;
    flex-direction: column;
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.section-title {
    font-family: 'Open Sans', Arial, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.25rem;
}

/* ---- Form Row (side-by-side) ---- */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group:last-of-type {
    margin-bottom: 0;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    margin-bottom: 0.4rem;
    letter-spacing: 0.3px;
}

.required-dot {
    width: 5px;
    height: 5px;
    background: var(--yellow);
    border-radius: 50%;
    display: inline-block;
    margin-left: 1px;
    flex-shrink: 0;
}

/* ---- Select ---- */
.select-wrapper {
    position: relative;
}

.form-select {
    width: 100%;
    padding: 0.6rem 2.25rem 0.6rem 0.875rem;
    border: 1.5px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    font-family: 'Open Sans', Arial, sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--white);
    background: rgba(255,255,255,0.08);
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    outline: none;
}

.form-select option {
    background: var(--navy-dark);
    color: var(--white);
    font-weight: 400;
}

.form-select:focus {
    border-color: var(--yellow);
    background: rgba(255,255,255,0.12);
}

.select-arrow {
    position: absolute;
    right: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    stroke: rgba(255,255,255,0.5);
    pointer-events: none;
}

.select-wrapper:focus-within .select-arrow {
    stroke: var(--yellow);
}

/* ---- Inputs ---- */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: stretch;
}

.input-prefix {
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    background: rgba(255,255,255,0.05);
    border: 1.5px solid rgba(255,255,255,0.15);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    font-weight: 600;
    user-select: none;
}

.form-input {
    flex: 1;
    padding: 0.6rem 0.875rem;
    border: 1.5px solid rgba(255,255,255,0.15);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-family: 'Open Sans', Arial, sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--white);
    background: rgba(255,255,255,0.08);
    outline: none;
    transition: border-color var(--transition), background var(--transition);
    text-align: right;
}

.form-input.full {
    border-radius: var(--radius-md);
    width: 100%;
}

.form-input:focus {
    border-color: var(--yellow);
    background: rgba(255,255,255,0.12);
}

.form-input::placeholder {
    color: rgba(255,255,255,0.3);
    font-weight: 400;
}

/* Read-only result field */
.result-field {
    background: rgba(245,216,62,0.1);
    border-color: rgba(245,216,62,0.3);
    color: var(--yellow);
    font-weight: 700;
    font-size: 1rem;
    cursor: default;
}

.result-field:focus {
    border-color: rgba(245,216,62,0.5);
    background: rgba(245,216,62,0.12);
}

/* ---- Buttons ---- */
.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: 'Open Sans', Arial, sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    line-height: 1;
    white-space: nowrap;
}

.btn svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.btn-calculate {
    flex: 1;
    background: var(--yellow);
    color: var(--navy);
}

.btn-calculate:hover:not(:disabled) {
    background: var(--yellow-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(245,216,62,0.35);
}

.btn-calculate:active:not(:disabled) {
    transform: translateY(0);
}

.btn-calculate:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn-reset {
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.65);
    border: 1.5px solid rgba(255,255,255,0.15);
    padding: 0.75rem 1rem;
}

.btn-reset:hover {
    background: rgba(255,255,255,0.14);
    color: var(--white);
    border-color: rgba(255,255,255,0.3);
}

.btn-print {
    width: 100%;
    justify-content: center;
    background: var(--surface);
    color: var(--navy);
    border: 1.5px solid var(--border);
}

.btn-print:hover {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

/* ============================================
   RESULTS COLUMN
   ============================================ */
.results-column {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    background: var(--white);
}

/* ---- Placeholder ---- */
.results-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
}

.placeholder-icon {
    width: 70px;
    height: 70px;
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.placeholder-icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--border);
}

.results-placeholder h3 {
    font-family: 'Open Sans', Arial, sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.results-placeholder p {
    font-size: 0.8rem;
    color: var(--text-light);
    max-width: 220px;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.placeholder-checklist {
    list-style: none;
    width: 100%;
    max-width: 240px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    color: var(--text-light);
    transition: color var(--transition);
    padding-left: 15%;
}

.check-icon {
    font-size: 1rem;
    line-height: 1;
    transition: all var(--transition);
    min-width: 18px;
    text-align: center;
}

.check-icon.unchecked { color: var(--border); }
.check-icon.checked   { color: var(--success); }

/* ---- Results Panel ---- */
.results-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    animation: resultsIn 0.35s ease;
}

@keyframes resultsIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---- Summary Cards ---- */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}

.summary-card {
    background: var(--surface);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0.875rem 1rem;
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--navy);
}

.summary-card:nth-child(2)::before { background: var(--purple); }
.summary-card:nth-child(3)::before { background: linear-gradient(90deg, var(--navy), var(--purple)); }
.summary-card:nth-child(4)::before { background: var(--yellow-dark); }

.summary-card-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 0.25rem;
}

.summary-card-value {
    font-family: 'Open Sans', Arial, sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1.2;
}

.summary-card-value.accent {
    color: var(--purple);
}

/* ---- Amortization Table ---- */
.amort-section {
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    overflow: hidden;
    flex: 1;
}

.amort-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1rem;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
}

.amort-title {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--navy);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.amort-view-toggle {
    display: flex;
    gap: 0.25rem;
    background: var(--border-light);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.toggle-btn {
    padding: 0.25rem 0.75rem;
    border: none;
    background: transparent;
    font-family: 'Open Sans', Arial, sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.toggle-btn.active {
    background: var(--white);
    color: var(--navy);
    box-shadow: var(--shadow-sm);
}

.toggle-btn:hover:not(.active) {
    color: var(--navy);
}

.amort-table-wrap {
    max-height: 380px;
    overflow-y: auto;
    overflow-x: hidden;
}

.amort-table-wrap::-webkit-scrollbar {
    width: 6px;
}

.amort-table-wrap::-webkit-scrollbar-track {
    background: var(--surface);
}

.amort-table-wrap::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.amort-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.amort-table th {
    position: sticky;
    top: 0;
    background: var(--surface-2);
    padding: 0.5rem 0.75rem;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: right;
    border-bottom: 1px solid var(--border);
    z-index: 1;
}

.amort-table th:first-child {
    text-align: left;
}

.amort-table td {
    padding: 0.45rem 0.75rem;
    font-size: 0.78rem;
    color: var(--text);
    text-align: right;
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition);
}

.amort-table td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--navy);
}

.amort-table tbody tr:hover td {
    background: var(--surface-2);
}

.amort-table tbody tr:last-child td {
    border-bottom: none;
}

/* Annual totals row styling */
.amort-table tbody tr.annual-row td {
    background: var(--surface-2);
    font-weight: 700;
    color: var(--navy);
    border-top: 1px solid var(--border);
}

/* ---- Results Actions ---- */
.results-actions {
    margin-top: 0.25rem;
}

/* ---- Disclaimer ---- */
.results-disclaimer {
    font-size: 0.68rem;
    color: var(--text-light);
    line-height: 1.55;
    padding: 0.75rem;
    background: var(--surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

/* ============================================
   UTILITIES
   ============================================ */
.hidden { display: none !important; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 700px) {
    .widget-wrapper {
        padding: 0;
        align-items: stretch;
    }

    .widget-container {
        border-radius: 0;
    }

    .widget-header {
        padding: 1.25rem;
    }

    .widget-body {
        grid-template-columns: 1fr;
    }

    .input-column {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .summary-cards {
        grid-template-columns: 1fr 1fr;
    }

    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
    body { background: white; }

    .widget-wrapper { padding: 0; min-height: auto; }
    .widget-container { max-width: 100%; box-shadow: none; border-radius: 0; }
    .widget-body { grid-template-columns: 1fr; }
    .input-column { display: none; }
    .results-column { padding: 1rem; }
    .results-actions { display: none; }
    .amort-table-wrap { max-height: none; overflow: visible; }
}