:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #334155;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --border-radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.app-container {
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: white;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: #f1f5f9;
}

.btn-danger {
    background-color: #fee2e2;
    color: var(--danger-color);
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-danger:hover {
    background-color: #fecaca;
}

.w-100 {
    width: 100%;
}

/* Layout Restructure */
.main-layout {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 25px;
    align-items: start;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.stat-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.stat-card.balance .stat-icon {
    background: #e0e7ff;
    color: var(--primary-color);
}

.stat-card.devreden .stat-icon {
    background: #f1f5f9;
    color: var(--text-muted);
}

.stat-card.income .stat-icon {
    background: #d1fae5;
    color: var(--success-color);
}

.stat-card.expense .stat-icon {
    background: #fee2e2;
    color: var(--danger-color);
}

.stat-info h3 {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 2px;
}

.stat-info h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.stat-card.income h2 {
    color: var(--success-color);
}

.stat-card.expense h2 {
    color: var(--danger-color);
}

.stat-card.balance h2 {
    color: var(--primary-color);
}

/* Middle Section: Form + Filters */
.middle-section {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 25px;
}

.form-container,
.filters-container {
    background-color: var(--card-bg);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.form-container h2,
.filters-container h2 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
    background-color: #fff;
    color: var(--text-color);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.print-info {
    margin-top: 20px;
    background-color: #f1f5f9;
    padding: 15px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.print-info i {
    color: var(--primary-color);
}

/* Table */
.table-container {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    padding: 24px;
}

.table-header {
    margin-bottom: 20px;
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: #f8fafc;
}

td {
    font-size: 1.1rem;
}

.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.font-bold {
    font-weight: 600;
}

tbody tr:hover {
    background-color: #f8fafc;
}

tfoot tr td {
    background-color: #f8fafc;
    border-bottom: none;
    padding: 15px;
}

tfoot .toplam-row td {
    border-top: 1px solid var(--border-color);
}

tfoot .genel-kasa-row td {
    border-top: 2px dashed var(--border-color);
    background-color: #e0e7ff;
}

/* Quick Filters */
.table-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.quick-filters {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn-group {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.filter-date-group input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    outline: none;
    font-size: 0.95rem;
    color: var(--text-color);
}

.filter-date-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Utilities */
.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

/* Responsive */
@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Print Styles */
@media print {
    body {
        background-color: white;
        font-size: 11pt;
    }

    .no-print {
        display: none !important;
    }

    .app-container {
        padding: 0;
        max-width: 100%;
    }

    .main-layout {
        display: block;
    }

    .left-panel {
        display: none !important;
    }

    .right-panel {
        width: 100%;
    }

    .stats-grid {
        display: none;
    }

    .table-container {
        box-shadow: none;
        border: none;
        padding: 0;
    }

    table {
        border: 1px solid #ccc;
    }

    th,
    td {
        border: 1px solid #ccc;
        padding: 8px;
    }

    .print-only-header {
        display: block !important;
    }

    /* We format a clean summary block at the top of the A4 page */
    .print-only-header::after {
        content: "";
        display: block;
        margin-bottom: 20px;
    }

    body::before {
        content: "";
    }

    /* Enhance colors for print */
    .text-success {
        color: #000 !important;
    }

    .text-danger {
        color: #000 !important;
    }

    tfoot .genel-kasa-row td {
        background-color: transparent !important;
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
}

/* --- Login Screen Styles --- */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    overflow: hidden;
}

.login-bg-decoration1 {
    position: absolute;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    top: -10vw;
    left: -10vw;
    border-radius: 50%;
    z-index: 1;
}

.login-bg-decoration2 {
    position: absolute;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    bottom: -5vw;
    right: -5vw;
    border-radius: 50%;
    z-index: 1;
}

.login-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 24px;
    padding: 3rem 4rem;
    width: 100%;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(212, 175, 55, 0.1);
    z-index: 10;
    position: relative;
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-logo {
    margin-bottom: 2.5rem;
}

.login-title {
    color: #fff;
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 5px;
    background: linear-gradient(to right, #bf953f, #fcf6ba, #b38728, #fbf5b7, #aa771c);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.login-subtitle {
    color: #cbd5e1;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.login-input-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.login-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(212, 175, 55, 0.4);
    padding: 15px 20px;
    border-radius: 12px;
    color: #fff;
    font-size: 1.05rem;
    outline: none;
    transition: all 0.3s ease;
    text-align: center;
    letter-spacing: 2px;
}

.login-input::placeholder {
    color: #94a3b8;
    letter-spacing: normal;
}

.login-input:focus {
    border-color: #d4af37;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
    background: rgba(0, 0, 0, 0.4);
}

.btn-login {
    width: 100%;
    background: linear-gradient(to right, #bf953f, #fcf6ba, #b38728, #fbf5b7, #aa771c);
    color: #1e293b;
    border: none;
    padding: 15px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    filter: brightness(1.1);
}

.btn-login:active {
    transform: translateY(0);
}

.login-error {
    color: #fb7185;
    font-size: 0.9rem;
    margin-top: 15px;
    font-weight: 500;
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    50% {
        transform: translateX(5px);
    }

    75% {
        transform: translateX(-5px);
    }
}

@media (max-width: 600px) {
    .login-card {
        padding: 2.5rem 2rem;
        margin: 0 20px;
    }
}