/* ==========================================================================
   OpenSpeedTest Webmail - Modern Theme
   Inspired by Gmail & Yandex Mail
   ========================================================================== */

/* ---------- CSS Variables (Light Theme) ---------- */
:root {
    --primary: #1a73e8;
    --primary-hover: #1557b0;
    --primary-light: #e8f0fe;
    --bg-main: #f6f8fc;
    --bg-white: #ffffff;
    --bg-sidebar: #f6f8fc;
    --bg-hover: #eef3fc;
    --bg-selected: #d3e3fd;
    --bg-header: #ffffff;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-tertiary: #9aa0a6;
    --border-color: #e0e0e0;
    --border-light: #f1f3f4;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.08);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.12);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 50%;
    --sidebar-width: 256px;
    --header-height: 64px;
    --font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Global Reset & Base ---------- */
body {
    font-family: var(--font-family) !important;
    background: var(--bg-main) !important;
    color: var(--text-primary) !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------- Header / Toolbar ---------- */
#layout-toolbar,
.toolbar,
.header {
    background: var(--bg-header) !important;
    border-bottom: 1px solid var(--border-light) !important;
    box-shadow: var(--shadow-sm) !important;
}

#layout-toolbar .toolbar .button,
.toolbar a.button,
.toolbar button {
    border-radius: var(--radius-sm) !important;
    transition: background var(--transition) !important;
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
    padding: 8px 12px !important;
}

#layout-toolbar .toolbar .button:hover,
.toolbar a.button:hover,
.toolbar button:hover {
    background: var(--bg-hover) !important;
    color: var(--primary) !important;
}

/* ---------- Logo / Branding ---------- */
#layout-logo,
.logo {
    display: flex !important;
    align-items: center !important;
    padding: 0 16px !important;
}

#layout-logo a,
.logo a {
    font-size: 20px !important;
    font-weight: 700 !important;
    color: var(--primary) !important;
    text-decoration: none !important;
    letter-spacing: -0.5px !important;
}

/* ---------- Sidebar / Menu ---------- */
#layout-menu,
.sidebar,
.navigation {
    background: var(--bg-sidebar) !important;
    border-right: 1px solid var(--border-light) !important;
    width: var(--sidebar-width) !important;
}

#layout-menu .menu-item,
.sidebar .menu-item,
.navigation a {
    border-radius: 0 25px 25px 0 !important;
    margin-right: 12px !important;
    padding: 0 16px !important;
    height: 40px !important;
    line-height: 40px !important;
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
    font-size: 14px !important;
    transition: all var(--transition) !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

#layout-menu .menu-item:hover,
.sidebar .menu-item:hover,
.navigation a:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

#layout-menu .menu-item.selected,
.sidebar .menu-item.active,
.navigation a.active,
.navigation a.selected {
    background: var(--bg-selected) !important;
    color: var(--primary) !important;
    font-weight: 600 !important;
}

/* Folder icons */
#layout-menu .icon,
.sidebar .icon {
    font-size: 20px !important;
    width: 20px !important;
    text-align: center !important;
    color: var(--text-tertiary) !important;
}

#layout-menu .menu-item.selected .icon,
.sidebar .menu-item.active .icon {
    color: var(--primary) !important;
}

/* ---------- Compose Button ---------- */
.compose-button,
#compose-button,
a.compose {
    background: var(--primary) !important;
    color: white !important;
    border-radius: 16px !important;
    padding: 12px 24px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    letter-spacing: 0.25px !important;
    box-shadow: var(--shadow-md) !important;
    transition: all var(--transition) !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    margin: 16px !important;
    border: none !important;
    cursor: pointer !important;
    text-decoration: none !important;
}

.compose-button:hover,
#compose-button:hover,
a.compose:hover {
    background: var(--primary-hover) !important;
    box-shadow: var(--shadow-lg) !important;
    transform: translateY(-1px) !important;
    color: white !important;
}

/* ---------- Search Bar ---------- */
#searchbox,
.searchbar,
.search-input {
    background: var(--bg-main) !important;
    border: 1px solid transparent !important;
    border-radius: 28px !important;
    padding: 8px 16px !important;
    height: 48px !important;
    font-size: 16px !important;
    transition: all var(--transition) !important;
    width: 100% !important;
    max-width: 720px !important;
}

#searchbox:focus,
.searchbar:focus,
.search-input:focus {
    background: var(--bg-white) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 1px 6px rgba(32, 33, 36, 0.18) !important;
}

#searchbox::placeholder,
.search-input::placeholder {
    color: var(--text-tertiary) !important;
    font-size: 16px !important;
}

/* ---------- Message List ---------- */
#message-list,
.message-list,
.mail-list {
    background: var(--bg-white) !important;
    border-radius: var(--radius-md) !important;
    margin: 8px !important;
    box-shadow: var(--shadow-sm) !important;
    overflow: hidden !important;
}

#message-list li,
.message-list .message,
.mail-list .row {
    border-bottom: 1px solid var(--border-light) !important;
    padding: 12px 16px !important;
    transition: background var(--transition) !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    min-height: 56px !important;
}

#message-list li:hover,
.message-list .message:hover,
.mail-list .row:hover {
    background: var(--bg-hover) !important;
}

#message-list li.selected,
.message-list .message.active,
.mail-list .row.selected {
    background: var(--bg-selected) !important;
}

#message-list li.unread,
.message-list .message.unread,
.mail-list .row.unread {
    background: var(--bg-white) !important;
}

#message-list li.unread .subject,
.message-list .message.unread .subject,
.mail-list .row.unread .subject {
    font-weight: 700 !important;
    color: var(--text-primary) !important;
}

/* Sender / From */
#message-list .from,
.message-list .from,
.mail-list .sender {
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    font-size: 14px !important;
    min-width: 180px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

/* Subject */
#message-list .subject,
.message-list .subject,
.mail-list .subject {
    flex: 1 !important;
    color: var(--text-secondary) !important;
    font-size: 14px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

/* Date */
#message-list .date,
.message-list .date,
.mail-list .time {
    color: var(--text-tertiary) !important;
    font-size: 12px !important;
    white-space: nowrap !important;
    min-width: 70px !important;
    text-align: right !important;
}

/* Unread date */
#message-list li.unread .date {
    color: var(--primary) !important;
    font-weight: 600 !important;
}

/* ---------- Checkbox ---------- */
#message-list input[type="checkbox"],
.message-list input[type="checkbox"] {
    width: 18px !important;
    height: 18px !important;
    border-radius: 3px !important;
    border: 2px solid var(--text-tertiary) !important;
    cursor: pointer !important;
    accent-color: var(--primary) !important;
}

/* ---------- Message View ---------- */
#message-header,
.message-header,
.mail-header {
    background: var(--bg-white) !important;
    border-radius: var(--radius-md) !important;
    margin: 8px !important;
    padding: 20px !important;
    box-shadow: var(--shadow-sm) !important;
}

#message-header .subject,
.message-header .subject {
    font-size: 22px !important;
    font-weight: 400 !important;
    color: var(--text-primary) !important;
    line-height: 1.3 !important;
    margin-bottom: 16px !important;
}

#message-content,
.message-body,
.mail-body {
    background: var(--bg-white) !important;
    border-radius: var(--radius-md) !important;
    margin: 8px !important;
    padding: 24px !important;
    box-shadow: var(--shadow-sm) !important;
    font-size: 14px !important;
    line-height: 1.6 !important;
    color: var(--text-primary) !important;
}

/* ---------- Avatar / Contact Icon ---------- */
.contact-avatar,
.avatar {
    width: 40px !important;
    height: 40px !important;
    border-radius: var(--radius-full) !important;
    background: var(--primary-light) !important;
    color: var(--primary) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: 600 !important;
    font-size: 16px !important;
    flex-shrink: 0 !important;
}

/* ---------- Buttons ---------- */
.btn-primary,
.button.primary {
    background: var(--primary) !important;
    color: white !important;
    border: none !important;
    border-radius: var(--radius-sm) !important;
    padding: 10px 24px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    cursor: pointer !important;
    transition: all var(--transition) !important;
}

.btn-primary:hover,
.button.primary:hover {
    background: var(--primary-hover) !important;
    box-shadow: var(--shadow-sm) !important;
}

.btn-secondary,
.button.secondary {
    background: transparent !important;
    color: var(--primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    padding: 10px 24px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    cursor: pointer !important;
    transition: all var(--transition) !important;
}

.btn-secondary:hover,
.button.secondary:hover {
    background: var(--primary-light) !important;
    border-color: var(--primary) !important;
}

/* ---------- Toolbars ---------- */
#messagetoolbar,
#mailtoolbar,
.toolbar.listing {
    background: var(--bg-white) !important;
    border-bottom: 1px solid var(--border-light) !important;
    padding: 4px 8px !important;
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
}

.toolbar a,
.toolbar button {
    width: 40px !important;
    height: 40px !important;
    border-radius: var(--radius-full) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--text-secondary) !important;
    transition: all var(--transition) !important;
    border: none !important;
    background: transparent !important;
    cursor: pointer !important;
}

.toolbar a:hover,
.toolbar button:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

/* ---------- Pagination ---------- */
.pagination,
.pagenav {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    padding: 16px !important;
}

.pagination a,
.pagenav a {
    width: 40px !important;
    height: 40px !important;
    border-radius: var(--radius-full) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
    transition: all var(--transition) !important;
    text-decoration: none !important;
}

.pagination a:hover,
.pagenav a:hover {
    background: var(--bg-hover) !important;
}

.pagination a.active,
.pagenav a.active {
    background: var(--primary) !important;
    color: white !important;
}

/* ---------- Settings ---------- */
.settings-box,
#settings-box {
    background: var(--bg-white) !important;
    border-radius: var(--radius-md) !important;
    margin: 8px !important;
    box-shadow: var(--shadow-sm) !important;
}

/* ---------- Forms / Input Fields ---------- */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea,
select {
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    padding: 10px 14px !important;
    font-size: 14px !important;
    color: var(--text-primary) !important;
    background: var(--bg-white) !important;
    transition: all var(--transition) !important;
    outline: none !important;
    font-family: var(--font-family) !important;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2) !important;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 8px !important;
    height: 8px !important;
}

::-webkit-scrollbar-track {
    background: transparent !important;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color) !important;
    border-radius: 4px !important;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary) !important;
}

/* ---------- Floating Action Button (Compose) ---------- */
.fab-compose {
    position: fixed !important;
    bottom: 24px !important;
    right: 24px !important;
    width: 56px !important;
    height: 56px !important;
    border-radius: var(--radius-full) !important;
    background: var(--primary) !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: var(--shadow-lg) !important;
    cursor: pointer !important;
    transition: all var(--transition) !important;
    z-index: 100 !important;
    font-size: 24px !important;
    border: none !important;
}

.fab-compose:hover {
    transform: scale(1.1) !important;
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4) !important;
}

/* ---------- Labels / Badges ---------- */
.badge,
.label {
    display: inline-flex !important;
    align-items: center !important;
    padding: 2px 8px !important;
    border-radius: 4px !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
    text-transform: uppercase !important;
}

.badge.unread,
.label.unread {
    background: var(--primary) !important;
    color: white !important;
}

/* ---------- Attachment ---------- */
.attachment {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 8px 12px !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    font-size: 13px !important;
    color: var(--text-secondary) !important;
    transition: all var(--transition) !important;
    cursor: pointer !important;
}

.attachment:hover {
    background: var(--bg-hover) !important;
    border-color: var(--primary) !important;
}

/* ---------- Loading / Spinner ---------- */
.loading,
.spinner {
    border: 3px solid var(--border-light) !important;
    border-top: 3px solid var(--primary) !important;
    border-radius: 50% !important;
    width: 24px !important;
    height: 24px !important;
    animation: spin 0.8s linear infinite !important;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ---------- Dialog / Modal ---------- */
.popupdialog,
.ui-dialog {
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
    border: none !important;
}

.popupdialog .boxtitle,
.ui-dialog .ui-dialog-titlebar {
    background: var(--bg-white) !important;
    border-bottom: 1px solid var(--border-light) !important;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    padding: 16px 24px !important;
    font-size: 18px !important;
    font-weight: 600 !important;
}

/* ---------- Notifications ---------- */
.notification,
.alert {
    border-radius: var(--radius-sm) !important;
    padding: 12px 16px !important;
    font-size: 14px !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

.notification.success,
.alert-success {
    background: #e6f4ea !important;
    color: #137333 !important;
    border: 1px solid #ceead6 !important;
}

.notification.error,
.alert-danger {
    background: #fce8e6 !important;
    color: #c5221f !important;
    border: 1px solid #f5c6c2 !important;
}

.notification.warning,
.alert-warning {
    background: #fef7e0 !important;
    color: #b06000 !important;
    border: 1px solid #fde293 !important;
}

/* ---------- Footer ---------- */
#layout-footer,
.footer {
    background: var(--bg-white) !important;
    border-top: 1px solid var(--border-light) !important;
    padding: 8px 16px !important;
    font-size: 12px !important;
    color: var(--text-tertiary) !important;
}

/* ---------- Dark Mode Support ---------- */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-main: #1a1a2e;
        --bg-white: #16213e;
        --bg-sidebar: #1a1a2e;
        --bg-hover: #1f2b47;
        --bg-selected: #253554;
        --bg-header: #16213e;
        --text-primary: #e8eaed;
        --text-secondary: #9aa0a6;
        --text-tertiary: #5f6368;
        --border-color: #2d3748;
        --border-light: #1f2b47;
        --primary-light: #1a365d;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
    }

    #message-list .from,
    .message-list .from {
        min-width: 120px !important;
    }
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-16px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

#message-list li,
.message-list .message {
    animation: fadeIn 0.2s ease-out;
}

.sidebar .menu-item {
    animation: slideIn 0.15s ease-out;
}

/* ---------- Selection highlight ---------- */
::selection {
    background: var(--primary-light) !important;
    color: var(--primary) !important;
}

/* ---------- Focus visible for accessibility ---------- */
:focus-visible {
    outline: 2px solid var(--primary) !important;
    outline-offset: 2px !important;
}

/* ---------- Print styles ---------- */
@media print {
    .sidebar,
    .toolbar,
    .footer,
    .fab-compose {
        display: none !important;
    }

    .message-body {
        box-shadow: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }
}