/**
 * Calculator Page Styles
 * 
 * Shared styles for FairFlow Calculator and Personal View pages.
 * iOS-style glassmorphism design.
 */

/* ==========================================================================
   CALCULATOR CARD
   ========================================================================== */

body.calculator-page {
    background: var(--bg, #0b1020);
}

.calculator-card {
    width: min(900px, 96%);
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
}

/* ==========================================================================
   DONUT CHART SECTION
   ========================================================================== */

.donut-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.donut-canvas {
    position: relative;
    width: 380px;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.donut-center-overlay {
    position: absolute;
    text-align: center;
    pointer-events: none;
}

.donut-center-overlay .budget-amount {
    font-size: 1.8rem;
    font-weight: 600;
    display: block;
    color: #fff;
}

.donut-center-overlay .budget-spent {
    font-size: 1.1rem;
    font-weight: 500;
    display: block;
    color: #06b6d4;
}

.donut-center-overlay .budget-separator {
    font-size: 1rem;
    opacity: 0.4;
    margin: 4px 0;
}

.donut-center-overlay .budget-label {
    font-size: 0.8rem;
    opacity: 0.5;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
    vertical-align: middle;
}

/* ==========================================================================
   MEMBER COMPONENTS
   ========================================================================== */

/* Add member button */
.add-member-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.add-member-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(59, 130, 246, 0.5);
}

/* Members list section */
.members-section {
    width: 100%;
    margin-top: 20px;
}

.members-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding: 0 4px;
}

.members-header-title {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 8px;
}

.members-toggle {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: all 0.2s;
}

.members-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.members-toggle i {
    transition: transform 0.2s;
}

.members-toggle.collapsed i {
    transform: rotate(-90deg);
}

.members-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    transition: all 0.3s ease;
}

.members-grid.hidden {
    display: none;
}

.member-card {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.member-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.member-color {
    width: 14px;
    height: 14px;
    border-radius: 50%;
}

.member-name {
    font-weight: 500;
}

.member-details {
    text-align: right;
    font-size: 0.85rem;
}

.member-percent {
    opacity: 0.7;
}

.member-amount {
    font-weight: 600;
    color: #60a5fa;
}

.member-amount.expense {
    color: #06b6d4;
}

.member-amount.income {
    color: #9d4edd;
}

.member-type-indicator {
    font-weight: 700;
    font-size: 1.1rem;
    margin-right: 2px;
}

.member-type-indicator.expense {
    color: #06b6d4;
}

.member-type-indicator.income {
    color: #9d4edd;
}

.member-remove {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 1rem;
}

.member-remove:hover {
    color: #ef4444;
}

/* ==========================================================================
   MEMBER INPUT ROWS
   ========================================================================== */

.member-rows {
    flex: 1;
    min-height: 120px;
    max-height: 40vh;
    overflow-y: auto;
    padding-right: 4px;
}

.member-rows::-webkit-scrollbar {
    width: 6px;
}

.member-rows::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.member-rows::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.member-rows::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.member-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.member-row input {
    flex: 1;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.08);
    color: inherit;
    font-size: 0.95rem;
}

.member-row input:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.5);
    background: rgba(255, 255, 255, 0.12);
}

.member-row .percent-input {
    width: 80px;
    flex: none;
    text-align: center;
}

.member-row .remove-row {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    padding: 6px;
    font-size: 1rem;
}

.member-row .remove-row:hover {
    color: #ef4444;
}

.add-row-btn {
    width: 100%;
    padding: 12px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    font-size: 0.9rem;
    margin-top: 8px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.add-row-btn:hover {
    border-color: rgba(59, 130, 246, 0.5);
    color: #60a5fa;
    background: rgba(59, 130, 246, 0.08);
}

.total-percent {
    text-align: right;
    font-size: 0.85rem;
    margin-top: 12px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.total-percent.valid {
    color: #10b981;
}

.total-percent.error {
    color: #ef4444;
}

/* ==========================================================================
   CHART HEADER
   ========================================================================== */

.chart-header-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 4px;
}

.chart-header-row .chart-titles {
    flex: 1;
}

.chart-header-row .chart-title {
    margin: 0;
}

.chart-header-row .chart-subtitle {
    margin: 4px 0 0 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   BUDGET INPUT
   ========================================================================== */

.budget-input-section {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.04);
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.budget-input-section label {
    font-weight: 500;
    white-space: nowrap;
}

.budget-input-section input {
    flex: 1;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: inherit;
    font-size: 1.1rem;
    font-weight: 600;
}

.reset-btn {
    padding: 10px 16px;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
    cursor: pointer;
    font-weight: 500;
}

.reset-btn:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* ==========================================================================
   MODAL - iOS Glassmorphism
   ========================================================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: rgba(30, 35, 50, 0.75);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: 24px 24px 0 0;
    padding: 24px 28px 34px;
    width: 100%;
    max-width: 520px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 -10px 60px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom: none;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

.modal-overlay.show .modal-content {
    transform: translateY(0);
}

/* Handle bar for iOS feel */
.modal-content::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    margin-top: 8px;
    flex-shrink: 0;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

.modal-close {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #ef4444;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.35);
    border-color: rgba(239, 68, 68, 0.6);
    color: #fca5a5;
}

/* ==========================================================================
   MODAL FORM
   ========================================================================== */

#addMemberForm {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 6px;
    opacity: 0.8;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.08);
    color: inherit;
    font-size: 1rem;
    backdrop-filter: blur(10px);
}

.form-group input:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.6);
    background: rgba(255, 255, 255, 0.12);
}

.form-hint {
    font-size: 0.8rem;
    opacity: 0.6;
    margin-top: 4px;
}

.form-hint.error {
    color: #ef4444;
    opacity: 1;
}

/* ==========================================================================
   MODAL ACTIONS
   ========================================================================== */

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-shrink: 0;
}

.modal-actions button {
    flex: 1;
    padding: 14px;
    border-radius: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.8);
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-add {
    background: rgba(59, 130, 246, 0.85);
    backdrop-filter: blur(10px);
    border: none;
    color: #fff;
}

.btn-add:hover {
    background: rgba(59, 130, 246, 0.95);
    transform: translateY(-1px);
}

.btn-add:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}