/* Keren Hatzedakah - Professional Branded Design */
/* Brand Colors: Gold, Teal, Black */
:root {
    /* Brand Colors from Logo */
    --brand-gold: #D4AF37;
    --brand-gold-light: #E8D4A0;
    --brand-gold-dark: #B8941F;
    --brand-teal: #20B2AA;
    --brand-teal-light: #5FD4CE;
    --brand-teal-dark: #158F88;
    
    /* Functional Colors */
    --primary: #20B2AA;
    --primary-dark: #158F88;
    --success: #059669;
    --warning: #D4AF37;
    --danger: #dc2626;
    
    /* Neutrals */
    --dark: #111827;
    --gray-900: #1f2937;
    --gray-800: #374151;
    --gray-700: #4b5563;
    --gray-600: #6b7280;
    --gray-500: #9ca3af;
    --gray-400: #d1d5db;
    --gray-300: #e5e7eb;
    --gray-200: #f3f4f6;
    --gray-100: #f9fafb;
    --white: #ffffff;
    --border: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-100);
    color: var(--gray-900);
    line-height: 1.6;
}

/* Screen Management */
.screen {
    display: none;
}

.screen.active {
    display: block;
}

/* Login Screen */
#loginScreen {
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
}

#loginScreen.active {
    display: flex;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 4px 6px var(--shadow);
}

.login-container h1 {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-gold) 0%, var(--brand-gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.login-container p {
    color: var(--gray-600);
    margin-bottom: 24px;
    font-size: 14px;
}

.login-container input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
    transition: all 0.2s;
}

.login-container input:focus {
    outline: none;
    border-color: var(--brand-teal);
    box-shadow: 0 0 0 3px rgba(32, 178, 170, 0.1);
}

.login-container button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--brand-teal) 0%, var(--brand-teal-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.login-container button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(32, 178, 170, 0.3);
}

.error {
    color: var(--danger);
    font-size: 13px;
    margin-top: 8px;
}

/* Navigation Bar */
.navbar {
    background: var(--white);
    border-bottom: 3px solid var(--brand-gold);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px var(--shadow);
}

.navbar h1 {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-gold) 0%, var(--brand-gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logout-btn {
    padding: 8px 16px;
    background: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.logout-btn:hover {
    background: var(--gray-100);
    border-color: var(--brand-gold);
    color: var(--brand-gold-dark);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* Safe Balances */
.balances-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.balance-card {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.balance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-gold) 0%, var(--brand-gold-light) 100%);
}

.balance-card h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.balance-amount {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-teal) 0%, var(--brand-teal-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.last-updated {
    display: block;
    color: var(--gray-500);
    font-size: 12px;
}

.balance-card.clickable {
    cursor: pointer;
}

.balance-card.clickable:hover {
    border-color: var(--brand-teal);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(32, 178, 170, 0.15);
}

.click-hint {
    display: block;
    color: var(--brand-teal);
    font-size: 12px;
    margin-top: 8px;
    font-weight: 500;
}

/* Actions Section */
.actions-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.action-btn {
    padding: 20px 24px;
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--gray-900);
    text-align: center;
}

.action-btn:hover {
    border-color: var(--brand-teal);
    color: var(--brand-teal);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(32, 178, 170, 0.15);
}

/* Status Section */
.status-section,
.unmatched-section {
    background: var(--white);
    border: 2px solid var(--border);
    border-left: 4px solid var(--brand-gold);
    padding: 24px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.status-section h3,
.unmatched-section h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

#statusMessage {
    color: var(--gray-700);
    font-size: 14px;
    line-height: 1.6;
}

/* Unmatched Items */
.unmatched-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #FFF9E6 0%, #FFFEF9 100%);
    border: 2px solid var(--brand-gold-light);
    border-left: 4px solid var(--brand-gold);
    border-radius: 8px;
    margin-bottom: 16px;
}

.unmatched-info {
    flex: 1;
}

.unmatched-info strong {
    display: block;
    margin-bottom: 8px;
    color: var(--gray-900);
    font-weight: 700;
    font-size: 15px;
}

.unmatched-info .difference {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--brand-gold-dark);
}

.unmatched-info small {
    display: block;
    color: var(--gray-600);
    font-size: 13px;
}

.unmatched-actions {
    display: flex;
    gap: 10px;
}

.btn-fix,
.btn-approve {
    padding: 10px 20px;
    border: 2px solid;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.2s;
}

.btn-fix {
    background: var(--white);
    color: var(--brand-gold-dark);
    border-color: var(--brand-gold);
}

.btn-fix:hover {
    background: var(--brand-gold);
    color: var(--white);
}

.btn-approve {
    background: var(--brand-teal);
    color: var(--white);
    border-color: var(--brand-teal);
}

.btn-approve:hover {
    background: var(--brand-teal-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(32, 178, 170, 0.2);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

#reconciliationModal {
    z-index: 1100;
}

#reconciliationModal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-top: 4px solid var(--brand-gold);
}

.modal-content.large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    border-bottom: 2px solid var(--border);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.close {
    font-size: 28px;
    font-weight: 300;
    color: var(--gray-500);
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.close:hover {
    color: var(--brand-teal);
}

.modal-body {
    padding: 28px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--brand-teal);
    box-shadow: 0 0 0 3px rgba(32, 178, 170, 0.1);
}

.divider {
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--brand-gold-light) 50%, transparent 100%);
    margin: 24px 0;
}

/* Transactions List */
#transactionsList {
    margin-bottom: 20px;
}

.transaction-item {
    display: grid;
    grid-template-columns: 150px 1fr 40px;
    gap: 12px;
    align-items: center;
    padding: 16px;
    background: var(--gray-100);
    border: 2px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
}

.type-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--brand-teal-dark);
}

.transaction-item input {
    padding: 10px 12px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
}

.transaction-item input:focus {
    border-color: var(--brand-teal);
}

.transaction-item button {
    width: 36px;
    height: 36px;
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    color: var(--gray-600);
    font-size: 18px;
    line-height: 1;
    transition: all 0.2s;
}

.transaction-item button:hover {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}

.add-transaction-btns {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.btn-add {
    flex: 1;
    padding: 12px 20px;
    background: var(--white);
    border: 2px solid var(--brand-teal);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    color: var(--brand-teal);
    transition: all 0.2s;
}

.btn-add:hover {
    background: var(--brand-teal);
    color: var(--white);
}

/* Reconciliation Summary */
.reconciliation-summary {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFFEF9 100%);
    border: 2px solid var(--brand-gold-light);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 24px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 14px;
    color: var(--gray-700);
}

.summary-row.difference {
    border-top: 2px solid var(--brand-gold);
    margin-top: 10px;
    padding-top: 16px;
    font-weight: 700;
    font-size: 18px;
    color: var(--gray-900);
}

.summary-row.difference.balanced {
    color: var(--success);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn-primary,
.btn-secondary,
.btn-warning {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-teal) 0%, var(--brand-teal-dark) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(32, 178, 170, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--brand-gold);
}

.btn-warning {
    background: linear-gradient(135deg, var(--brand-gold) 0%, var(--brand-gold-dark) 100%);
    color: var(--white);
}

.btn-warning:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    border-left: 4px solid;
}

.alert.success {
    background: #d1fae5;
    color: #065f46;
    border-color: #059669;
}

.alert.error {
    background: #fee2e2;
    color: #991b1b;
    border-color: #dc2626;
}

.alert.warning {
    background: #FFF9E6;
    color: #92400e;
    border-color: var(--brand-gold);
}

/* Modal Overlays */
.modal-overlay {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
}

.warning-modal {
    background: var(--white);
    border-radius: 12px;
    border-top: 4px solid var(--brand-gold);
    padding: 28px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.warning-modal h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.warning-modal p {
    margin-bottom: 12px;
    color: var(--gray-700);
    font-size: 14px;
}

.difference-amount {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--brand-gold-dark);
}

.warning-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* Reports */
.reports-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border);
}

.tab-btn {
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn.active {
    color: var(--brand-teal);
    border-bottom-color: var(--brand-teal);
}

.tab-btn:hover {
    color: var(--brand-teal-dark);
}

.report-tab {
    display: none;
}

.report-tab.active {
    display: block;
}

.date-range-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 16px;
    margin-bottom: 24px;
}

/* Report Tables */
.report-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    border: 2px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.report-table th {
    background: linear-gradient(135deg, var(--brand-gold-light) 0%, #FFFEF9 100%);
    padding: 14px 16px;
    text-align: left;
    font-weight: 700;
    color: var(--gray-900);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--brand-gold);
}

.report-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--gray-700);
}

.report-table tr:hover {
    background: var(--gray-100);
}

.report-summary {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFFEF9 100%);
    border: 2px solid var(--brand-gold-light);
    padding: 24px;
    border-radius: 10px;
    margin-bottom: 24px;
}

.report-summary h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.summary-item {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    border: 2px solid var(--border);
    border-left: 4px solid var(--brand-teal);
}

.summary-item label {
    display: block;
    font-size: 11px;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    font-weight: 600;
}

.summary-item .value {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-teal) 0%, var(--brand-teal-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Safe History Styles */
.history-date-group {
    margin-bottom: 28px;
}

.history-date-group h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--brand-gold-light);
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    border: 2px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.history-table th {
    background: linear-gradient(135deg, var(--brand-gold-light) 0%, #FFFEF9 100%);
    padding: 12px 14px;
    text-align: left;
    font-weight: 700;
    color: var(--gray-900);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--brand-gold);
}

.history-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    color: var(--gray-700);
}

.history-table tr:hover {
    background: var(--gray-100);
}

.history-table .positive {
    color: var(--brand-teal);
    font-weight: 700;
}

.history-table .negative {
    color: var(--danger);
    font-weight: 700;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .balances-section {
        grid-template-columns: 1fr;
    }
    
    .actions-section {
        grid-template-columns: 1fr;
    }
    
    .transaction-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .date-range-inputs {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .add-transaction-btns {
        flex-direction: column;
    }
    
    .btn-add {
        width: 100%;
    }

    .unmatched-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .unmatched-actions {
        width: 100%;
        flex-direction: column;
    }

    .btn-fix,
    .btn-approve {
        width: 100%;
    }

    .warning-actions {
        flex-direction: column;
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
}