:root {
    --apple-bg: #f7f8fb;
    --apple-surface: rgba(255, 255, 255, 0.94);
    --apple-surface-solid: #ffffff;
    --apple-surface-muted: #fbfbfd;
    --apple-text: #1d1d1f;
    --apple-muted: #6e6e73;
    --apple-border: rgba(0, 0, 0, 0.1);
    --apple-hairline: rgba(0, 0, 0, 0.06);
    --apple-accent: #0071e3;
    --apple-accent-strong: #005bb5;
    --apple-success: #0a7f42;
    --apple-danger: #d92d20;
    --apple-warning: #b26a00;
    --apple-radius: 18px;
    --apple-radius-sm: 12px;
    --apple-shadow: 0 18px 45px rgba(0, 0, 0, 0.08);
    --apple-shadow-soft: 0 8px 26px rgba(0, 0, 0, 0.06);
    --apple-focus: 0 0 0 4px rgba(0, 113, 227, 0.16);
}

.dark,
.dark-mode {
    --apple-bg: #f2f4f8;
    --apple-surface: rgba(255, 255, 255, 0.9);
    --apple-surface-solid: #ffffff;
    --apple-surface-muted: #f7f8fb;
    --apple-text: #1d1d1f;
    --apple-muted: #6e6e73;
    --apple-border: rgba(0, 0, 0, 0.1);
    --apple-hairline: rgba(0, 0, 0, 0.06);
    --apple-shadow: 0 18px 45px rgba(39, 53, 81, 0.1);
    --apple-shadow-soft: 0 8px 26px rgba(39, 53, 81, 0.07);
}

* {
    letter-spacing: 0 !important;
}

html {
    background: var(--apple-bg);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", system-ui, sans-serif !important;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(245, 245, 247, 0.98) 260px),
        var(--apple-bg) !important;
    color: var(--apple-text) !important;
    -webkit-font-smoothing: antialiased;
    text-rendering: geometricPrecision;
}

.dark body,
body.dark-mode {
    background:
        linear-gradient(180deg, rgba(35, 35, 38, 0.74), rgba(16, 16, 18, 0.96) 300px),
        var(--apple-bg) !important;
}

a {
    color: var(--apple-accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--apple-text) !important;
    font-weight: 700 !important;
    letter-spacing: 0 !important;
}

h1 {
    font-size: clamp(2rem, 4vw, 3.2rem) !important;
    line-height: 1.05 !important;
}

h2 {
    font-size: clamp(1.7rem, 3vw, 2.5rem) !important;
    line-height: 1.1 !important;
}

.container {
    width: min(100% - 32px, 1180px) !important;
}

.glass,
nav,
#topbar,
.theme-toggle,
.dropdown-content {
    background: var(--apple-surface) !important;
    border-color: var(--apple-border) !important;
    backdrop-filter: blur(22px) saturate(180%);
    -webkit-backdrop-filter: blur(22px) saturate(180%);
}

nav {
    box-shadow: 0 1px 0 var(--apple-hairline), 0 14px 34px rgba(0, 0, 0, 0.05) !important;
}

#sidebar {
    background: rgba(255, 255, 255, 0.72) !important;
    border-color: var(--apple-border) !important;
}

.dark #sidebar {
    background: rgba(28, 28, 30, 0.7) !important;
}

.sidebar-link {
    border-radius: 12px !important;
    color: var(--apple-muted) !important;
    transform: none !important;
}

.sidebar-link:hover {
    background: rgba(0, 113, 227, 0.09) !important;
    color: var(--apple-text) !important;
    transform: none !important;
}

.active-link,
.sidebar-link.active-link {
    background: var(--apple-text) !important;
    color: var(--apple-bg) !important;
    box-shadow: none !important;
}

.login-wrapper,
.form-card,
.card,
.modal-content,
.dropdown-content,
.table-responsive,
.email-content,
#email-list,
.mailbox-card,
.lock-card,
.stat-card,
.sender-card {
    background: var(--apple-surface) !important;
    border: 1px solid var(--apple-border) !important;
    border-radius: var(--apple-radius) !important;
    box-shadow: var(--apple-shadow-soft) !important;
    color: var(--apple-text) !important;
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.card {
    overflow: hidden;
}

.card-header {
    background: var(--apple-surface-muted) !important;
    border-bottom: 1px solid var(--apple-border) !important;
    color: var(--apple-text) !important;
    font-weight: 650 !important;
}

.card-body {
    color: var(--apple-text) !important;
}

.login-wrapper {
    max-width: 440px !important;
    padding: clamp(32px, 6vw, 56px) !important;
}

.login-logo img {
    width: min(160px, 46vw) !important;
    height: min(160px, 46vw) !important;
    filter: drop-shadow(0 16px 28px rgba(0, 0, 0, 0.12)) !important;
}

input,
select,
textarea,
.form-control,
.form-select,
.ql-toolbar,
.ql-container,
.secret-key {
    background: rgba(255, 255, 255, 0.7) !important;
    border: 1px solid var(--apple-border) !important;
    border-radius: var(--apple-radius-sm) !important;
    color: var(--apple-text) !important;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55) !important;
    transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease !important;
}

.dark input,
.dark select,
.dark textarea,
.dark .form-control,
.dark .form-select,
.dark-mode input,
.dark-mode select,
.dark-mode textarea,
.dark-mode .form-control,
.dark-mode .form-select,
.dark-mode .ql-toolbar,
.dark-mode .ql-container,
.dark-mode .secret-key {
    background: rgba(44, 44, 46, 0.82) !important;
}

input:focus,
select:focus,
textarea:focus,
.form-control:focus,
.form-select:focus {
    border-color: var(--apple-accent) !important;
    box-shadow: var(--apple-focus) !important;
    outline: none !important;
}

label,
.form-label,
.email-meta,
.register-link,
.text-muted {
    color: var(--apple-muted) !important;
}

button,
.btn,
.page-btn,
.theme-toggle,
.action-btn,
input[type="submit"] {
    border-radius: 999px !important;
    font-weight: 650 !important;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease !important;
}

button:hover,
.btn:hover,
.page-btn:hover,
.theme-toggle:hover,
.action-btn:hover {
    transform: translateY(-1px);
}

.btn-primary,
button[type="submit"],
input[type="submit"] {
    background: var(--apple-accent) !important;
    border-color: var(--apple-accent) !important;
    color: #fff !important;
    box-shadow: 0 10px 22px rgba(0, 113, 227, 0.22) !important;
}

.btn-primary:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
    background: var(--apple-accent-strong) !important;
    border-color: var(--apple-accent-strong) !important;
}

.btn-danger,
.btn-outline-danger:hover {
    background: var(--apple-danger) !important;
    border-color: var(--apple-danger) !important;
    color: #fff !important;
}

.btn-success,
.badge.bg-success {
    background: var(--apple-success) !important;
    border-color: var(--apple-success) !important;
}

.table {
    color: var(--apple-text) !important;
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(0, 0, 0, 0.025);
    --bs-table-hover-bg: rgba(0, 113, 227, 0.065);
}

.table th {
    background: var(--apple-surface-muted) !important;
    border-bottom: 1px solid var(--apple-border) !important;
    color: var(--apple-muted) !important;
    font-size: 0.8rem;
    font-weight: 700 !important;
    text-transform: uppercase;
}

.table td {
    border-color: var(--apple-hairline) !important;
    vertical-align: middle;
}

.alert,
.error {
    border-radius: var(--apple-radius-sm) !important;
    border: 1px solid var(--apple-border) !important;
    box-shadow: none !important;
}

.alert-success {
    color: var(--apple-success) !important;
    background: rgba(10, 127, 66, 0.09) !important;
}

.alert-danger,
.error {
    color: var(--apple-danger) !important;
    background: rgba(217, 45, 32, 0.09) !important;
}

#main-container {
    background: transparent !important;
}

#email-list {
    border-radius: 0 !important;
    box-shadow: none !important;
}

.email-item {
    border-color: var(--apple-hairline) !important;
    background: transparent !important;
}

.email-item:hover,
.email-item.active {
    background: rgba(0, 113, 227, 0.08) !important;
}

.email-item.active {
    border-left-color: var(--apple-accent) !important;
}

.email-from,
.email-subject,
.current-sender {
    color: var(--apple-text) !important;
}

.pagination {
    background: var(--apple-surface) !important;
    border-color: var(--apple-border) !important;
}

.page-btn {
    border: 1px solid var(--apple-border) !important;
    background: var(--apple-surface-solid) !important;
    color: var(--apple-text) !important;
}

.page-btn.active,
.page-btn:hover {
    background: var(--apple-accent) !important;
    color: #fff !important;
}

.ql-toolbar {
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

.ql-container {
    border-top-left-radius: 0 !important;
    border-top-right-radius: 0 !important;
    min-height: 220px;
}

.flatpickr-calendar {
    border-radius: var(--apple-radius) !important;
    box-shadow: var(--apple-shadow) !important;
    border: 1px solid var(--apple-border) !important;
}

.modal-backdrop,
#modal-2fa {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.close-btn,
.btn-close {
    border-radius: 999px !important;
}

iframe[name="content_iframe"],
#content_iframe {
    background: var(--apple-bg) !important;
}

img {
    max-width: 100%;
}

@media (max-width: 768px) {
    body {
        background: var(--apple-bg) !important;
    }

    .container {
        width: min(100% - 20px, 100%) !important;
    }

    .login-wrapper,
    .form-card,
    .card {
        border-radius: 16px !important;
    }

    #email-list {
        width: 100% !important;
        min-width: 0 !important;
    }

    #main-container {
        display: block !important;
        height: auto !important;
    }

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

/* Strong app-wide overrides for the existing Tailwind and Bootstrap pages. */
body[class],
body.py-4,
body.p-4 {
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.95), transparent 34rem),
        linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 46%, #eeeeef 100%) !important;
    color: var(--apple-text) !important;
}

.dark body[class],
body.dark-mode,
body[class*="dark"] {
    background:
        radial-gradient(circle at top left, rgba(65, 65, 70, 0.5), transparent 34rem),
        linear-gradient(180deg, #1d1d1f 0%, #121214 100%) !important;
}

.bg-slate-50,
.bg-slate-100,
.bg-gray-50,
.bg-gray-100 {
    background-color: transparent !important;
}

.bg-white,
.dark .dark\:bg-slate-900,
.dark .dark\:bg-slate-950,
.dark .dark\:bg-gray-900 {
    background: var(--apple-surface) !important;
}

.text-emerald-400,
.text-emerald-500,
.text-emerald-600,
.text-emerald-700,
.text-green-600,
.text-green-700 {
    color: var(--apple-accent) !important;
}

.border-slate-200,
.border-slate-300,
.border-gray-200,
.dark .dark\:border-slate-700,
.dark .dark\:border-slate-800 {
    border-color: var(--apple-border) !important;
}

.rounded-2xl,
.rounded-3xl {
    border-radius: var(--apple-radius) !important;
}

.shadow,
.shadow-sm,
.shadow-lg,
.shadow-xl,
.shadow-2xl {
    box-shadow: var(--apple-shadow-soft) !important;
}

.sender-card,
.mailbox-card,
.lock-card,
.stat-card,
.grid > a,
.grid > div[class*="bg-"],
.container > .card,
.max-w-7xl .sender-card,
.max-w-7xl > .grid > div,
.max-w-7xl > .grid > a {
    background: var(--apple-surface) !important;
    border: 1px solid var(--apple-border) !important;
    box-shadow: var(--apple-shadow-soft) !important;
    backdrop-filter: blur(18px) saturate(160%) !important;
    -webkit-backdrop-filter: blur(18px) saturate(160%) !important;
}

.sender-card:hover,
.mailbox-card:hover,
.grid > a:hover,
.max-w-7xl > .grid > div:hover,
.max-w-7xl > .grid > a:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--apple-shadow) !important;
}

.bg-emerald-50,
.bg-emerald-100,
.bg-green-50,
.bg-green-100 {
    background: rgba(0, 113, 227, 0.1) !important;
}

.bg-emerald-600,
.bg-emerald-700,
.bg-green-600,
.bg-green-700,
.hover\:bg-emerald-700:hover,
.hover\:bg-green-700:hover {
    background: var(--apple-accent) !important;
}

.ring-emerald-500,
.focus\:ring-emerald-500:focus {
    --tw-ring-color: rgba(0, 113, 227, 0.28) !important;
}

nav .w-10,
nav button,
.theme-toggle,
.close-btn {
    background: rgba(118, 118, 128, 0.12) !important;
    color: var(--apple-text) !important;
    border: 1px solid transparent !important;
}

nav .w-10:hover,
nav button:hover,
.theme-toggle:hover {
    background: rgba(118, 118, 128, 0.18) !important;
}

nav img,
.login-logo img {
    filter: drop-shadow(0 14px 24px rgba(0, 0, 0, 0.14)) !important;
}

.btn-outline-primary,
.btn-outline-success {
    color: var(--apple-accent) !important;
    border-color: rgba(0, 113, 227, 0.32) !important;
}

.btn-outline-primary:hover,
.btn-outline-success:hover {
    background: var(--apple-accent) !important;
    border-color: var(--apple-accent) !important;
    color: #fff !important;
}

/* Single-source Apple application layout after removing legacy page styles. */
body {
    min-height: 100vh;
}

body:has(.login-wrapper),
body:has(.form-container) {
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-wrapper,
.form-container {
    width: min(100%, 440px) !important;
    margin: 8vh auto !important;
    padding: clamp(30px, 6vw, 54px) !important;
    text-align: center;
}

.login-logo {
    margin-bottom: 28px;
}

.login-logo img {
    object-fit: contain;
}

.login-wrapper h2,
.form-container h2 {
    margin: 0 0 28px !important;
    font-size: clamp(2rem, 5vw, 3rem) !important;
}

.input-group {
    display: block !important;
    margin-bottom: 14px;
}

.login-wrapper form,
.form-container form {
    display: grid;
    gap: 14px;
}

.login-wrapper input,
.form-container input,
.form-container select {
    width: 100%;
    min-height: 48px;
}

.login-wrapper button,
.form-container button {
    width: 100%;
    min-height: 48px;
    margin-top: 4px;
}

.register-link,
.form-footer {
    margin: 22px 0 0;
    text-align: center;
}

#modal-2fa {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.28);
}

#modal-2fa .modal-content {
    width: min(100%, 420px);
    padding: 34px;
    position: relative;
    text-align: center;
}

#modal-2fa h3 {
    margin: 0 0 10px;
}

#modal-2fa p {
    color: var(--apple-muted);
}

.close-btn {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    padding: 0 !important;
    font-size: 22px;
    line-height: 1;
}

#twofa_error {
    min-height: 20px;
    color: var(--apple-danger) !important;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 10px;
    z-index: 50;
    width: min(340px, calc(100vw - 24px));
}

.dropdown-content.show {
    display: block;
    animation: appleMenuIn 180ms ease forwards;
}

@keyframes appleMenuIn {
    from { opacity: 0; transform: translateY(-6px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

#topbar {
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 0 24px;
    border-bottom: 1px solid var(--apple-border);
    box-shadow: 0 1px 0 var(--apple-hairline);
}

.current-sender {
    font-weight: 700;
    color: var(--apple-text) !important;
}

#main-container {
    display: flex;
    height: calc(100vh - 64px);
    min-height: 0;
}

#email-list {
    width: 390px;
    min-width: 340px;
    overflow-y: auto;
    border-radius: 0 !important;
    border-width: 0 1px 0 0 !important;
}

#viewer-container {
    flex: 1;
    min-width: 0;
    background: var(--apple-bg);
}

#viewer-container iframe,
#emailFrame {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
    background: transparent;
}

.email-item {
    padding: 16px 18px;
    cursor: pointer;
}

.email-from {
    font-weight: 700;
    margin-bottom: 5px;
}

.email-subject {
    line-height: 1.35;
    margin-bottom: 8px;
}

.email-meta {
    display: flex;
    gap: 12px;
    justify-content: space-between;
    font-size: 0.82rem;
}

.pagination {
    position: sticky;
    bottom: 0;
    padding: 14px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    margin: 3px;
    text-decoration: none;
}

.layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    padding: clamp(22px, 4vw, 38px) clamp(20px, 5vw, 56px) 18px;
    border-bottom: 1px solid var(--apple-border);
    background: var(--apple-surface);
}

.subject {
    margin: 0 0 14px !important;
    font-size: clamp(1.5rem, 3vw, 2.35rem) !important;
}

.meta {
    display: grid;
    gap: 6px;
    color: var(--apple-muted);
    font-size: 0.94rem;
}

.meta strong {
    color: var(--apple-text);
}

.toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    padding: 14px clamp(20px, 5vw, 56px);
    border-bottom: 1px solid var(--apple-border);
    background: rgba(255, 255, 255, 0.56);
}

.dark-mode .toolbar,
.dark .toolbar {
    background: rgba(28, 28, 30, 0.62);
}

.email-container {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.email-scroll {
    flex: 1;
    min-height: 0;
    overflow: auto;
    padding: clamp(18px, 4vw, 40px);
}

.email-content {
    min-height: 58vh;
    overflow: hidden;
}

.email-content iframe {
    width: 100%;
    min-height: 62vh;
    border: 0;
    display: block;
    background: #fff;
}

.attachments-bar {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
    padding: 16px clamp(20px, 5vw, 56px);
    border-top: 1px solid var(--apple-border);
    background: var(--apple-surface);
}

.attachments-title {
    font-weight: 700;
}

.attachment-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.attachment-links a {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(0, 113, 227, 0.1);
    text-decoration: none;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.lock-card,
.sender-card,
.mailbox-card,
.stat-card {
    padding: 24px;
}

.lock-name,
.lock-card h3 {
    margin: 0 0 10px;
}

.lock-email,
.lock-meta,
.no-data {
    color: var(--apple-muted);
}

.no-data {
    padding: 36px;
    text-align: center;
    background: var(--apple-surface);
    border: 1px solid var(--apple-border);
    border-radius: var(--apple-radius);
}

.locked-panel {
    width: min(100%, 720px);
    padding: clamp(32px, 7vw, 64px);
    text-align: center;
}

.locked-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 22px;
    border-radius: 20px;
    display: grid;
    place-items: center;
    background: rgba(217, 45, 32, 0.1);
    color: var(--apple-danger);
    font-size: 30px;
    font-weight: 700;
}

.locked-panel p {
    color: var(--apple-muted);
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.55;
    margin: 18px 0 0;
}

@media (max-width: 860px) {
    #main-container {
        display: block;
        height: auto;
    }

    #email-list {
        width: 100%;
        min-width: 0;
        border-right: 0 !important;
    }

    #viewer-container {
        height: 70vh;
    }

    .toolbar,
    .attachments-bar {
        align-items: stretch;
    }
}

/* Legacy alternate login markup, restyled by the same Apple layer. */
.soft-background,
.floating-shapes,
.soft-blob,
.gentle-glow,
.button-background,
.button-glow,
.button-loader,
.gentle-divider,
.gentle-success {
    display: none !important;
}

.login-container {
    width: min(100%, 460px);
    margin: 8vh auto;
    padding: 24px;
}

.soft-card {
    background: var(--apple-surface);
    border: 1px solid var(--apple-border);
    border-radius: var(--apple-radius);
    box-shadow: var(--apple-shadow);
    padding: clamp(30px, 6vw, 54px);
    text-align: center;
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.comfort-header {
    margin-bottom: 28px;
}

.gentle-logo,
.logo-circle,
.comfort-icon {
    display: grid;
    place-items: center;
}

.logo-circle {
    width: 72px;
    height: 72px;
    margin: 0 auto 22px;
    border-radius: 22px;
    background: rgba(0, 113, 227, 0.1);
    color: var(--apple-accent);
}

.comfort-title {
    margin: 0 0 8px !important;
    font-size: clamp(2rem, 5vw, 3rem) !important;
}

.gentle-subtitle {
    margin: 0;
    color: var(--apple-muted);
}

.comfort-form {
    display: grid;
    gap: 14px;
}

.field-container {
    position: relative;
}

.field-container label {
    display: block;
    margin: 0 0 7px;
    text-align: left;
    font-size: 0.86rem;
    font-weight: 650;
}

.field-container input {
    width: 100%;
    min-height: 48px;
}

.gentle-toggle {
    position: absolute;
    right: 8px;
    bottom: 7px;
    width: 34px;
    height: 34px;
    padding: 0 !important;
    display: grid;
    place-items: center;
    background: transparent !important;
    color: var(--apple-muted) !important;
    box-shadow: none !important;
}

.eye-closed {
    display: none;
}

.gentle-error {
    display: block;
    min-height: 18px;
    margin-top: 5px;
    color: var(--apple-danger);
    text-align: left;
    font-size: 0.84rem;
}

.comfort-button {
    min-height: 48px;
    width: 100%;
    margin-top: 4px;
}

/* Minimal Bootstrap-compatible structure, without Bootstrap's visual skin. */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-inline: -10px;
}

.row > * {
    padding-inline: 10px;
    width: 100%;
}

.col-12 {
    flex: 0 0 auto;
    width: 100%;
}

@media (min-width: 768px) {
    .col-md-6 {
        flex: 0 0 auto;
        width: 50%;
    }

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

.g-4 {
    row-gap: 20px;
}

.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 2rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.my-5 { margin-block: 2rem !important; }
.p-0 { padding: 0 !important; }
.p-4 { padding: 1.5rem !important; }
.px-5 { padding-inline: 2rem !important; }
.py-2 { padding-block: 0.5rem !important; }
.py-4 { padding-block: 1.5rem !important; }
.w-100 { width: 100% !important; }
.text-center { text-align: center !important; }
.text-end { text-align: right !important; }
.d-grid { display: grid !important; }
.form-text { color: var(--apple-muted); font-size: 0.9rem; }
.btn-lg { min-height: 50px; padding-inline: 22px; }
.btn-sm { min-height: 34px; padding: 0.35rem 0.75rem; font-size: 0.88rem; }

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

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

.table th,
.table td {
    padding: 0.9rem 1rem;
    text-align: left;
}

.table-hover tbody tr:hover {
    background: rgba(0, 113, 227, 0.06);
}

.alert-dismissible {
    position: relative;
    padding-right: 3rem !important;
}

.btn-close {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border: 0;
    background: rgba(118, 118, 128, 0.14) !important;
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1050;
    overflow: auto;
    padding: 24px;
    background: rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.modal.show {
    display: block;
}

.modal-dialog {
    width: min(100%, 560px);
    margin: 8vh auto;
}

.modal-content {
    overflow: hidden;
}

.modal-header,
.modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 22px;
    border-color: var(--apple-border);
}

.modal-header {
    border-bottom: 1px solid var(--apple-border);
}

.modal-footer {
    border-top: 1px solid var(--apple-border);
}

.modal-body {
    padding: 22px;
}

.profile-section-title {
    color: var(--apple-text) !important;
}

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

.qr-img,
.signature-preview,
.signature-img {
    max-width: 220px;
    border-radius: var(--apple-radius-sm);
    border: 1px solid var(--apple-border);
    box-shadow: var(--apple-shadow-soft);
}

/* Bright redesign pass: lighter, calmer, more modern app chrome. */
html,
body,
body[class],
body.py-4,
body.p-4 {
    background:
        linear-gradient(180deg, #ffffff 0%, #f7f8fb 34%, #eef2f7 100%) !important;
    color: #1d1d1f !important;
}

.dark body,
body.dark-mode,
body[class*="dark"] {
    background:
        linear-gradient(180deg, #ffffff 0%, #f7f8fb 42%, #eef2f7 100%) !important;
    color: #1d1d1f !important;
}

nav,
.glass,
#topbar {
    background: rgba(255, 255, 255, 0.92) !important;
    border-color: rgba(21, 29, 43, 0.08) !important;
    box-shadow: 0 1px 0 rgba(21, 29, 43, 0.06), 0 18px 36px rgba(39, 53, 81, 0.06) !important;
}

#sidebar {
    background: rgba(250, 251, 253, 0.94) !important;
    border-right: 1px solid rgba(21, 29, 43, 0.08) !important;
    box-shadow: 10px 0 30px rgba(39, 53, 81, 0.04) !important;
}

.dark #sidebar {
    background: rgba(250, 251, 253, 0.94) !important;
}

.sidebar-link {
    color: #59616f !important;
    min-height: 46px;
    border: 1px solid transparent !important;
}

.sidebar-link:hover {
    background: #ffffff !important;
    border-color: rgba(0, 113, 227, 0.12) !important;
    color: #1d1d1f !important;
    box-shadow: 0 8px 18px rgba(39, 53, 81, 0.06) !important;
}

.active-link,
.sidebar-link.active-link {
    background: #eef6ff !important;
    color: #006edb !important;
    border-color: rgba(0, 113, 227, 0.18) !important;
    box-shadow: none !important;
}

main iframe,
iframe[name="content_iframe"],
#content_iframe {
    background: #f7f8fb !important;
}

.login-wrapper,
.form-container,
.soft-card,
.card,
.form-card,
.modal-content,
.dropdown-content,
.table-responsive,
.email-content,
#email-list,
.mailbox-card,
.lock-card,
.stat-card,
.sender-card {
    background: #ffffff !important;
    border: 1px solid rgba(21, 29, 43, 0.09) !important;
    box-shadow: 0 18px 42px rgba(39, 53, 81, 0.08) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

.container {
    padding-block: 28px;
}

.container > h1,
.container > h2,
.max-w-7xl h1 {
    color: #1d1d1f !important;
    margin-bottom: 28px !important;
}

.container > h1::after,
.container > h2::after,
.max-w-7xl h1::after {
    content: "";
    display: block;
    width: 58px;
    height: 4px;
    margin-top: 14px;
    border-radius: 999px;
    background: #0071e3;
}

.text-center::after {
    margin-inline: auto;
}

.sender-grid,
.max-w-7xl .grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
    gap: 20px !important;
}

.sender-card {
    position: relative;
    overflow: hidden;
    min-height: 230px;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease !important;
}

.sender-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: linear-gradient(90deg, #0071e3, #5ac8fa);
}

.sender-card:hover {
    transform: translateY(-3px) !important;
    border-color: rgba(0, 113, 227, 0.24) !important;
    box-shadow: 0 24px 56px rgba(39, 53, 81, 0.13) !important;
}

.sender-body,
.sender-card > div {
    height: 100%;
    min-height: 230px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 22px;
    padding: 26px !important;
}

.sender-title,
.sender-card h5,
.sender-card .text-2xl {
    color: #1d1d1f !important;
    font-size: 1.35rem !important;
    font-weight: 750 !important;
    margin: 0 0 8px !important;
}

.sender-email,
.sender-card .text-sm,
.sender-card .text-slate-500 {
    color: #6e6e73 !important;
    font-size: 0.94rem !important;
}

.sender-btn,
.sender-card a.block,
.bg-emerald-600,
.hover\:bg-emerald-700:hover {
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px !important;
    border-radius: 999px !important;
    background: #0071e3 !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    box-shadow: 0 10px 22px rgba(0, 113, 227, 0.22) !important;
}

.sender-btn:hover,
.sender-card a.block:hover {
    background: #005bb5 !important;
}

.bg-red-100,
.dark .dark\:bg-red-900 {
    background: #fff0f0 !important;
}

.text-red-700,
.dark .dark\:text-red-300 {
    color: #d92d20 !important;
}

.bg-emerald-100,
.dark .dark\:bg-emerald-900 {
    background: #eef9f3 !important;
}

.text-emerald-700,
.dark .dark\:text-emerald-300,
.dark .dark\:text-emerald-400 {
    color: #0a7f42 !important;
}

.theme-toggle,
nav .w-10,
nav button {
    background: #f2f4f8 !important;
    border: 1px solid rgba(21, 29, 43, 0.08) !important;
    color: #1d1d1f !important;
    box-shadow: none !important;
}

.dropdown-content {
    background: #ffffff !important;
}

.table th {
    background: #f7f8fb !important;
    color: #59616f !important;
}

input,
select,
textarea,
.form-control,
.form-select,
.ql-toolbar,
.ql-container,
.secret-key {
    background: #ffffff !important;
    border-color: rgba(21, 29, 43, 0.12) !important;
    box-shadow: none !important;
}

.email-item:hover,
.email-item.active {
    background: #eef6ff !important;
}

.header,
.toolbar,
.attachments-bar,
#topbar,
.pagination {
    background: #ffffff !important;
}

.email-scroll {
    background: #f7f8fb !important;
}

.lock-card::before,
.stat-card::before,
.mailbox-card::before {
    content: "";
    display: block;
    width: 46px;
    height: 4px;
    margin-bottom: 18px;
    border-radius: 999px;
    background: #0071e3;
}

@media (max-width: 768px) {
    .sender-body,
    .sender-card > div {
        min-height: 210px;
        padding: 22px !important;
    }
}