/* =====================================================================
   PAGE-SPECIFIC STYLES - Login, Operations, Sales, Statistics
   ===================================================================== */

/* ====== Login Page ====== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 80px);
    padding: var(--space-xl);
}

.login-form {
    padding: 32px 40px;
    width: 100%;
    max-width: 400px;
}

.login-form h1 {
    text-align: center;
    color: var(--color-teal-dark);
    margin-bottom: var(--space-2xl);
}

.login-form .form-group {
    margin-bottom: var(--space-lg);
}

.login-form .form-control {
    height: 48px;
    font-size: 15px;
}

.login-btn {
    width: 100%;
    margin-top: var(--space-sm);
}

.login-error {
    background-color: #FEE2E2;
    color: #DC2626;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    text-align: center;
    font-size: 14px;
}

/* ====== Operations Page - Edit Functionality ====== */
.operation-row .action-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.operation-row .btn-edit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 9999px;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    cursor: pointer;
    transition: background-color 0.15s, transform 0.15s;
    font-size: 14px;
}

.operation-row .btn-edit:hover {
    background: #e5e7eb;
    transform: translateY(-1px);
}

.operation-row .edit-form {
    gap: 0.5rem;
    align-items: center;
}

.operation-row .btn-cancel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    padding: 0 14px;
    border-radius: 9999px;
    background: #e5e7eb;
    color: #374151;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background-color 0.15s;
}

.operation-row .btn-cancel:hover {
    background: #d1d5db;
}

.operation-row .btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

.operation-row .form-control-sm {
    height: 32px;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #e5e7eb;
    font-size: 13px;
    background-color: #fff;
    color: #374151;
    box-sizing: border-box;
    width: 100%;
}

.operation-row .form-control-sm:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.2);
}

.operation-row.editing {
    background-color: rgba(20, 184, 166, 0.05) !important;
}

.operation-row.editing td {
    vertical-align: middle;
}

/* ====== Operations Page - Read-only Notice ====== */
.readonly-notice-row {
    background: var(--color-gray-100) !important;
}

.readonly-notice-row:hover {
    background: var(--color-gray-100) !important;
}

.readonly-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-xl);
    color: var(--color-gray-600);
    font-size: 14px;
    font-style: italic;
}

.readonly-notice::before {
    content: "i";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--color-gray-300);
    color: var(--color-bg-input);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    font-style: normal;
}

/* ====== Operations Page - Filter Bar ====== */
.filter-bar {
    background: var(--color-bg-surface);
    padding: var(--space-lg) 18px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-2xl);
}

.filter-form {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    flex-wrap: wrap;
}

@media (max-width: 900px) {
    .filter-form {
        gap: 10px;
    }

    .filter-form .form-control,
    .filter-form .btn-primary {
        flex: 1 1 100%;
    }

    .filter-form .btn-primary {
        width: 100%;
    }
}

/* ====== Sales Page ====== */
.sales-form {
    padding: 22px 26px;
    max-width: 900px;
    margin: 32px auto;
}

.sales-form .form-row {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.sales-form .form-group {
    display: flex;
    flex-direction: column;
    min-width: 140px;
    flex: 1;
}

.sales-form .form-control {
    height: 44px;
    padding: 10px var(--space-md);
    border-radius: var(--radius-md);
    font-size: 14px;
}

.sales-form select.form-control {
    cursor: pointer;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-teal);
    cursor: pointer;
}

.checkbox-label {
    font-size: 14px;
    color: var(--color-text-primary);
    cursor: pointer;
}

.total-sum {
    font-size: 48px;
    color: var(--color-teal-dark);
}

.sales-form h1 {
    text-align: center;
    color: var(--color-teal-dark);
}

@media (max-width: 768px) {
    .sales-form .form-row {
        flex-direction: column;
    }

    .sales-form .btn-primary {
        width: 100%;
    }
}

/* ====== Statistics Page ====== */
#total_balance {
    color: var(--color-text-light);
    background-color: var(--color-balance);
    font-size: 48px;
    text-align: center;
    margin: auto;
    width: fit-content;
    display: block;
    padding: 40px;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-xl);
}

.page-title {
    color: var(--color-gray-50);
    margin-bottom: var(--space-xs);
}

.page-subtitle {
    color: var(--color-gray-200);
    margin-bottom: var(--space-2xl);
}

.stats-cards {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.stat-card {
    padding: var(--space-lg) var(--space-xl);
    flex: 1;
    min-width: 200px;
}

.surface .label {
    display: block;
    font-size: 13px;
    color: var(--color-gray-500);
    margin-bottom: 6px;
}

.surface .value {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.surface.income .value { color: var(--color-income); }
.surface.expenses .value { color: var(--color-expenses); }
.surface.debt .value { color: var(--color-debt); }

.debt-link {
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.debt-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Charts Navigation */
.charts-nav {
    padding: var(--space-xl) 18px;
    margin-bottom: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.period-links a {
    text-decoration: none;
    color: var(--color-teal-dark);
    font-weight: 600;
    margin-right: var(--space-lg);
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
}

.period-links a:hover {
    border-bottom-color: var(--color-teal);
}

.date-range-form {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.date-range-form span {
    color: var(--color-gray-500);
}

/* Charts Layout */
#charts-wrapper {
    display: flex;
    gap: var(--space-xl);
    align-items: stretch;
}

.chart-item {
    padding: var(--space-lg);
    flex: 1;
}

@media (max-width: 900px) {
    #charts-wrapper {
        flex-direction: column;
    }

    .charts-nav {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ====== Statistics Page - Insights Row ====== */
.insights-row {
    margin-top: 0;
}

.stat-card.insight {
    text-align: center;
}

.stat-card.insight .value {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-teal-dark);
}

.stat-card.insight .value.empty {
    color: var(--color-gray-400);
}

.stat-card.insight .subvalue {
    display: block;
    font-size: 13px;
    color: var(--color-gray-500);
    margin-top: 4px;
}