/* ============================================
   استایل‌های دفترچه فاکتور - PHP/MySQL Version
   کاملاً ریسپانسیو برای موبایل و دسکتاپ
   ============================================ */

* {
    box-sizing: border-box;
    font-family: 'Tahoma', 'Segoe UI', 'IranSans', system-ui, sans-serif;
}

html {
    font-size: 16px;
}

body {
    background: linear-gradient(145deg, #e0eafc 0%, #cfdef3 100%);
    margin: 0;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

.container {
    max-width: 1500px;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 24px;
    box-shadow: 0 30px 55px -20px rgba(0, 0, 0, 0.35);
    overflow: hidden;
    transition: all 0.3s ease;
    margin: 0 auto;
}

/* هدر */
.header {
    background: linear-gradient(135deg, #1e2f5e, #143250);
    color: white;
    padding: 20px 16px;
    text-align: center;
    border-bottom: 4px solid #ffb347;
}

.header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    line-height: 1.4;
}

.header p {
    margin: 8px 0 0;
    opacity: 0.9;
    font-size: 0.85rem;
    line-height: 1.5;
}

/* نمایش تاریخ امروز */
.today-date {
    background: linear-gradient(90deg, #ffecd2 0%, #fcb69f 100%);
    color: #3a2c1f;
    padding: 12px 16px;
    text-align: center;
    font-size: 1rem;
    font-weight: bold;
    border-bottom: 2px solid #ffd89b;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* بخش‌های فرم و فیلتر */
.form-section,
.filter-section {
    padding: 16px 12px;
    border-bottom: 1px solid #e2e8f0;
}

.filter-section {
    background: #fef9f0;
}

/* ردیف‌های فرم */
.form-row,
.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.input-group {
    flex: 1 1 calc(50% - 12px);
    min-width: 140px;
}

.input-group label {
    display: block;
    font-weight: 700;
    font-size: 0.85rem;
    color: #1e2f5e;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid #dce5f2;
    border-radius: 24px;
    font-size: 1rem;
    background: #ffffff;
    transition: 0.25s;
    outline: none;
    font-weight: 500;
    color: #1a2c44;
}

.input-group input:focus,
.input-group select:focus {
    border-color: #ff9f4a;
    box-shadow: 0 0 0 3px rgba(255, 159, 74, 0.2);
    background-color: #fffef7;
}

/* استایل چکباکس‌های رنگی */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 12px;
    padding-right: 4px;
    flex-wrap: wrap;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
}

.checkbox-item input {
    width: 22px;
    height: 22px;
    cursor: pointer;
    margin: 0;
    accent-color: currentColor;
    min-width: 22px;
}

.red-check {
    color: #dc2626;
}

.blue-check {
    color: #2563eb;
}

.checkbox-item span {
    font-size: 0.9rem;
    white-space: nowrap;
}

/* گروه تاریخ */
.date-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.date-group select {
    flex: 1;
    min-width: 60px;
    padding: 10px 8px;
    font-size: 0.9rem;
}

/* جدول */
.table-wrapper {
    padding: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

th,
td {
    padding: 12px 8px;
    text-align: center;
    border-bottom: 1px solid #eef2fa;
    font-size: 0.85rem;
    white-space: nowrap;
}

th {
    background: #eef3fc;
    color: #1e3a5f;
    font-weight: 700;
    font-size: 0.8rem;
}

td {
    font-weight: 500;
    color: #2d3e5f;
}

/* دکمه حذف */
.delete-btn {
    background: #ffe6e6;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: #c0392b;
    border-radius: 50px;
    padding: 8px 12px;
    transition: 0.2s;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.delete-btn:hover {
    background: #fbc4c4;
    transform: scale(1.05);
}

.delete-btn:active {
    transform: scale(0.95);
}

/* بخش دانلود */
.download-section {
    background: #ecf3fa;
    padding: 16px 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    text-align: center;
}

/* دکمه‌ها */
.btn-download {
    background: linear-gradient(95deg, #0f5b7a, #0a4057);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 28px;
    font-weight: bold;
    font-size: 0.95rem;
    cursor: pointer;
    transition: 0.2s;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 300px;
}

.btn-download:hover {
    transform: translateY(-2px);
    background: linear-gradient(95deg, #147a9e, #0c4e6b);
}

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

.btn-add,
.btn-filter,
.btn-reset {
    background: linear-gradient(95deg, #2c6e4f, #1f5a3e);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 28px;
    font-weight: bold;
    font-size: 0.95rem;
    cursor: pointer;
    transition: 0.2s;
    margin-top: 4px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 140px;
    white-space: nowrap;
}

.btn-filter {
    background: linear-gradient(95deg, #1e4770, #123157);
}

.btn-reset {
    background: linear-gradient(95deg, #6c6f78, #4a4d57);
}

.btn-add:hover,
.btn-filter:hover,
.btn-reset:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.btn-add:active,
.btn-filter:active,
.btn-reset:active {
    transform: translateY(0);
}

/* Badge وضعیت رنگی */
.badge-red {
    background: #fee2e2;
    color: #b91c1c;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.8rem;
    display: inline-block;
    white-space: nowrap;
}

.badge-blue {
    background: #dbeafe;
    color: #1e40af;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.8rem;
    display: inline-block;
    white-space: nowrap;
}

.badge-none {
    background: #f3f4f6;
    color: #374151;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-block;
    white-space: nowrap;
}

/* پیام‌ها */
.message {
    padding: 10px 16px;
    border-radius: 12px;
    margin: 8px 0;
    font-weight: 600;
    text-align: center;
    font-size: 0.9rem;
}

.message-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.message-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* لودینگ */
.loading {
    text-align: center;
    padding: 30px 20px;
    color: #6b7c9e;
    font-size: 1rem;
}

/* فوتر */
footer {
    font-size: 0.75rem;
    text-align: center;
    padding: 14px 12px;
    color: #6b7c9e;
    background: #ffffff;
    border-top: 1px solid #e2edf7;
    line-height: 1.6;
}

/* ============================================
   ریسپانسیو - Media Queries
   ============================================ */

/* تبلت و بالاتر (768px+) */
@media (min-width: 768px) {
    body {
        padding: 20px;
        align-items: center;
    }

    .container {
        border-radius: 48px;
    }

    .header {
        padding: 28px 32px;
    }

    .header h1 {
        font-size: 2.2rem;
    }

    .header p {
        font-size: 1rem;
        margin-top: 12px;
    }

    .today-date {
        padding: 14px 24px;
        font-size: 1.2rem;
    }

    .form-section,
    .filter-section {
        padding: 28px 32px;
    }

    .form-row,
    .filter-row {
        gap: 22px;
        margin-bottom: 28px;
    }

    .input-group {
        flex: 1;
        min-width: 170px;
    }

    .input-group label {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }

    .input-group input,
    .input-group select {
        padding: 14px 18px;
        border-radius: 40px;
        font-size: 1.05rem;
    }

    .input-group input:focus,
    .input-group select:focus {
        box-shadow: 0 0 0 4px rgba(255, 159, 74, 0.2);
    }

    .checkbox-group {
        gap: 20px;
        margin-top: 12px;
        padding-right: 8px;
    }

    .checkbox-item {
        gap: 8px;
    }

    .checkbox-item input {
        width: 20px;
        height: 20px;
        min-width: 20px;
    }

    .checkbox-item span {
        font-size: 0.95rem;
    }

    .date-group {
        gap: 8px;
    }

    .date-group select {
        min-width: 70px;
        padding: 14px 12px;
        font-size: 1rem;
    }

    .table-wrapper {
        padding: 20px 28px 35px;
    }

    table {
        border-radius: 32px;
        min-width: auto;
    }

    th,
    td {
        padding: 16px 12px;
        font-size: 0.95rem;
    }

    th {
        font-weight: 800;
        font-size: 0.9rem;
    }

    .delete-btn {
        font-size: 1.3rem;
        padding: 6px 14px;
        min-width: auto;
        min-height: auto;
    }

    .download-section {
        padding: 18px 32px;
        justify-content: space-between;
    }

    .btn-download {
        padding: 14px 32px;
        border-radius: 50px;
        font-size: 1rem;
        width: auto;
    }

    .btn-add,
    .btn-filter,
    .btn-reset {
        padding: 14px 32px;
        border-radius: 50px;
        font-size: 1.05rem;
        flex: 0 0 auto;
    }

    .badge-red,
    .badge-blue,
    .badge-none {
        padding: 4px 12px;
        border-radius: 30px;
        font-size: 0.85rem;
    }

    .message {
        padding: 12px 20px;
        margin: 10px 0;
        font-size: 1rem;
    }

    .loading {
        padding: 40px;
        font-size: 1.1rem;
    }

    footer {
        font-size: 0.8rem;
        padding: 18px;
    }
}

/* موبایل افقی (576px - 767px) */
@media (min-width: 576px) and (max-width: 767px) {
    .input-group {
        flex: 1 1 calc(33.333% - 12px);
        min-width: 150px;
    }

    .form-section,
    .filter-section {
        padding: 20px 16px;
    }

    .btn-add,
    .btn-filter,
    .btn-reset {
        flex: 0 0 auto;
        padding: 12px 24px;
    }
}

/* موبایل عمودی (تا 575px) */
@media (max-width: 575px) {
    html {
        font-size: 14px;
    }

    body {
        padding: 8px;
    }

    .container {
        border-radius: 20px;
    }

    .header {
        padding: 16px 12px;
    }

    .header h1 {
        font-size: 1.3rem;
        line-height: 1.3;
    }

    .header p {
        font-size: 0.8rem;
        margin-top: 6px;
    }

    .today-date {
        padding: 10px 12px;
        font-size: 0.9rem;
    }

    .form-section,
    .filter-section {
        padding: 14px 10px;
    }

    .form-row,
    .filter-row {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 14px;
    }

    .input-group {
        flex: 1 1 100%;
        min-width: 100%;
    }

    .input-group label {
        font-size: 0.8rem;
        margin-bottom: 4px;
    }

    .input-group input,
    .input-group select {
        padding: 10px 12px;
        border-radius: 20px;
        font-size: 1rem;
    }

    .checkbox-group {
        gap: 12px;
        margin-top: 8px;
    }

    .checkbox-item {
        font-size: 0.85rem;
    }

    .checkbox-item input {
        width: 20px;
        height: 20px;
    }

    .date-group {
        flex-direction: row;
        gap: 4px;
    }

    .date-group select {
        padding: 8px 4px;
        font-size: 0.85rem;
        min-width: 50px;
    }

    /* دکمه‌ها در یک ردیف */
    .form-section > .btn-add,
    .filter-section > div:last-child {
        display: flex;
        flex-direction: row;
        gap: 8px;
    }

    .btn-add,
    .btn-filter,
    .btn-reset {
        flex: 1;
        min-width: 0;
        padding: 12px 10px;
        font-size: 0.85rem;
        border-radius: 24px;
    }

    /* جدول با اسکرول افقی */
    .table-wrapper {
        padding: 8px;
        margin: 0 -8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 650px;
    }

    th,
    td {
        padding: 10px 6px;
        font-size: 0.8rem;
    }

    th {
        font-size: 0.75rem;
    }

    .delete-btn {
        padding: 6px 10px;
        font-size: 1rem;
        min-width: 36px;
        min-height: 36px;
    }

    .badge-red,
    .badge-blue,
    .badge-none {
        padding: 3px 8px;
        font-size: 0.75rem;
    }

    .download-section {
        padding: 12px;
    }

    .btn-download {
        font-size: 0.9rem;
        padding: 12px 16px;
    }

    .message {
        font-size: 0.85rem;
        padding: 10px 12px;
    }

    footer {
        font-size: 0.7rem;
        padding: 12px 10px;
    }
}

/* موبایل کوچک (تا 375px) */
@media (max-width: 375px) {
    html {
        font-size: 13px;
    }

    .header h1 {
        font-size: 1.15rem;
    }

    .header p {
        font-size: 0.75rem;
    }

    .input-group input,
    .input-group select {
        padding: 8px 10px;
    }

    .btn-add,
    .btn-filter,
    .btn-reset {
        padding: 10px 8px;
        font-size: 0.8rem;
    }

    .date-group select {
        font-size: 0.8rem;
    }

    th,
    td {
        padding: 8px 4px;
        font-size: 0.75rem;
    }
}

/* موبایل بزرگ و تبلت کوچک (376px - 480px) */
@media (min-width: 376px) and (max-width: 480px) {
    .input-group {
        flex: 1 1 calc(50% - 8px);
    }

    .form-row {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .btn-add,
    .btn-filter,
    .btn-reset {
        flex: 1 1 calc(50% - 4px);
    }
}

/* چاپ */
@media print {
    body {
        background: white;
        padding: 0;
    }

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

    .header {
        background: #1e2f5e;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .form-section,
    .filter-section,
    .download-section {
        display: none;
    }

    .table-wrapper {
        padding: 10px;
    }

    th {
        background: #eef3fc;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .delete-btn {
        display: none;
    }
}