:root {
    --arkan-red: #c8202f;
    --arkan-red-dark: #8f0f1d;
    --text: #111827;
    --muted: #64748b;
    --border: #e5e7eb;
    --bg: #f4f6f9;
    --card: #ffffff;
    --info-bg: #eef4ff;
    --warning-bg: #fff7ed;
    --success-bg: #ecfdf5;
    --danger-bg: #fff1f2;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Tahoma, sans-serif;
    line-height: 1.6;
}

a {
    color: var(--arkan-red);
    font-weight: 700;
}

a:hover {
    color: var(--arkan-red-dark);
}

/* Main Layout */

.container {
    max-width: 1120px;
    margin: 45px auto;
    background: var(--card);
    border-radius: 18px;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.10);
    overflow: hidden;
    padding: 0 32px 36px;
    border: 1px solid var(--border);
}

/* Admin Header */

.admin-header {
    margin: 0 -32px 28px;
    padding: 24px 32px;
    background: linear-gradient(135deg, var(--arkan-red), var(--arkan-red-dark));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    width: 118px;
    height: auto;
    background: #ffffff;
    border-radius: 12px;
    padding: 8px;
    display: block;
}

.admin-header h1 {
    margin: 0;
    font-size: 26px;
    color: #ffffff;
}

.admin-header p {
    margin: 6px 0 0;
    color: rgba(255, 255, 255, 0.82);
}

.admin-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logout-btn {
    background: #ffffff;
    color: var(--arkan-red-dark);
    text-decoration: none;
    padding: 11px 18px;
    border-radius: 12px;
    font-weight: 700;
    white-space: nowrap;
}

/* Admin Tabs */

.admin-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
    flex-wrap: wrap;
}

.admin-tab {
    text-decoration: none;
    background: #f3f4f6;
    color: var(--text);
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 700;
    border: 1px solid var(--border);
}

.admin-tab.active {
    background: var(--arkan-red);
    color: #ffffff;
    border-color: var(--arkan-red);
}

/* Page Title */

.page-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.page-title-row h2 {
    margin: 0;
    font-size: 28px;
}

.page-title-row p {
    margin: 6px 0 0;
    color: var(--muted);
}

/* Stats */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
}

.stat-card span {
    display: block;
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 8px;
}

.stat-card strong {
    display: block;
    font-size: 30px;
    color: var(--text);
}

/* Cards */

.card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px;
    margin-bottom: 28px;
}

.card h3 {
    margin-top: 0;
    font-size: 20px;
}

/* Forms */

form {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px;
}

.plain-form {
    border: 0;
    padding: 0;
    background: transparent;
}

.inline-form {
    border: 0;
    padding: 0;
    margin: 0;
    background: transparent;
    display: inline;
}

.inline-form button {
    margin: 0;
    width: auto;
}

label {
    display: block;
    font-weight: 700;
    margin: 14px 0 7px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="file"],
input[type="number"],
input:not([type]),
select,
textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 13px 14px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    background: #ffffff;
    font-size: 15px;
    font-family: Arial, Tahoma, sans-serif;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--arkan-red);
    box-shadow: 0 0 0 4px rgba(200, 32, 47, 0.12);
}

.checkbox-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 18px;
}

.checkbox-row input {
    width: auto;
}

/* Buttons */

button,
.btn,
.small-btn {
    display: inline-block;
    background: var(--arkan-red);
    color: #ffffff !important;
    border: 0;
    border-radius: 12px;
    padding: 12px 18px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    text-align: center;
    font-family: Arial, Tahoma, sans-serif;
}

button {
    width: 100%;
    margin-top: 18px;
}

button:hover,
.btn:hover,
.small-btn:hover {
    background: var(--arkan-red-dark);
}

button:disabled,
button[disabled] {
    background: #cbd5e1;
    color: #64748b !important;
    cursor: not-allowed;
}

.small-btn {
    padding: 9px 13px;
    font-size: 13px;
    width: auto;
    margin: 0;
}

.btn {
    width: auto;
}

/* Tables */

.table-wrap {
    overflow-x: auto;
    border-radius: 14px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th {
    background: #f8fafc;
    color: #334155;
    text-align: right;
    padding: 14px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    white-space: nowrap;
}

td {
    padding: 14px;
    border-bottom: 1px solid #eef2f7;
    vertical-align: middle;
    font-size: 14px;
}

tr:hover td {
    background: #fcfcfd;
}

/* Messages */

.notice,
.error,
.warning {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 18px;
    line-height: 1.7;
}

.notice {
    background: var(--info-bg);
    color: #1e3a8a;
    border: 1px solid #dbeafe;
}

.error {
    background: var(--danger-bg);
    color: #be123c;
    border: 1px solid #fecdd3;
}

.warning {
    background: var(--warning-bg);
    color: #9a3412;
    border: 1px solid #fed7aa;
}

.small-notice {
    font-size: 13px;
}

.muted,
.muted-text {
    color: var(--muted);
}

.link-input {
    font-size: 13px;
    direction: ltr;
    min-width: 300px;
    font-family: Consolas, monospace;
}

.ltr-cell {
    direction: ltr;
    text-align: left;
}

/* Login */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at top right, rgba(200, 32, 47, 0.16), transparent 30%),
        linear-gradient(135deg, #f8fafc, #e5e7eb);
}

.login-card {
    width: 430px;
    background: #ffffff;
    border-radius: 24px;
    padding: 36px;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.16);
    border: 1px solid var(--border);
}

.login-brand-logo {
    width: 150px;
    display: block;
    margin: 0 auto 24px;
}

.login-card h1 {
    margin: 0;
    font-size: 28px;
    text-align: center;
}

.login-card p {
    color: var(--muted);
    margin: 8px 0 24px;
    text-align: center;
}

.login-card button {
    width: 100%;
}

/* Public Member Page */

.public-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background: linear-gradient(135deg, #f8fafc, #eef2f7);
}

.public-card {
    width: min(680px, 100%);
    background: #ffffff;
    border-radius: 24px;
    padding: 34px;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
    border: 1px solid var(--border);
}

.public-logo {
    width: 160px;
    display: block;
    margin: 0 auto 20px;
}

.public-card h1 {
    text-align: center;
    margin: 0;
    font-size: 30px;
}

.public-subtitle {
    text-align: center;
    color: var(--muted);
    margin: 10px 0 22px;
}

/* OTP / Access Form Helpers */

input[name="otp"] {
    direction: ltr;
    text-align: center;
    font-size: 22px;
    letter-spacing: 6px;
    font-weight: 700;
}

input[name="id_number"],
input[name="phone"] {
    direction: ltr;
    text-align: left;
}

.notice h2 {
    margin-top: 0;
}

/* Responsive */

@media (max-width: 768px) {
    .container {
        margin: 18px;
        padding: 0 18px 28px;
        border-radius: 16px;
    }

    .admin-header {
        margin: 0 -18px 22px;
        padding: 22px 18px;
        flex-direction: column;
        align-items: flex-start;
    }

    .brand-block {
        align-items: flex-start;
        flex-direction: column;
    }

    .brand-logo {
        width: 120px;
    }

    .admin-header h1 {
        font-size: 22px;
    }

    .admin-header-actions {
        width: 100%;
    }

    .logout-btn {
        width: 100%;
        text-align: center;
    }

    .admin-tabs {
        flex-direction: column;
    }

    .admin-tab {
        width: 100%;
        text-align: center;
    }

    .page-title-row {
        display: block;
    }

    .page-title-row h2 {
        font-size: 24px;
    }

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

    .card {
        padding: 18px;
    }

    form {
        padding: 18px;
    }

    .login-card {
        width: calc(100% - 36px);
        padding: 28px;
    }

    .login-brand-logo {
        width: 135px;
    }

    .public-shell {
        padding: 18px;
    }

    .public-card {
        padding: 24px;
    }

    .link-input {
        min-width: 260px;
    }

    table {
        min-width: 900px;
    }
}

@media (max-width: 480px) {
    .container {
        margin: 10px;
        padding: 0 14px 24px;
    }

    .admin-header {
        margin: 0 -14px 20px;
        padding: 20px 14px;
    }

    .page-title-row h2 {
        font-size: 22px;
    }

    .stat-card strong {
        font-size: 26px;
    }

    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="file"],
    input[type="number"],
    input:not([type]),
    select,
    textarea {
        font-size: 14px;
    }
}
.member-files-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 18px;
}

.member-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    background: #ffffff;
}

.member-file-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: right;
    line-height: 1.7;
}

.member-file-info strong {
    font-size: 16px;
    color: #111827;
}

.member-file-info span {
    font-size: 13px;
    color: #6b7280;
}

.member-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    padding: 13px 20px;
    border-radius: 12px;
    background: #c91f32;
    color: #ffffff !important;
    text-decoration: none;
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
}

.member-download-btn:hover {
    background: #a91527;
}

@media (max-width: 768px) {
    .member-file-item {
        display: block;
        padding: 16px;
    }

    .member-download-btn {
        display: flex;
        width: 100%;
        margin-top: 14px;
        min-width: 0;
        font-size: 15px;
    }
}