:root {
    --bg-dark: #0b111a;
    --bg-card: #151e2b;
    --bg-input: #0d1622;
    --accent: #22c55e;
    --accent-hover: #16a34a;
    --teal: #00f2fe;
    --text-main: #e2e8f0;
    --text-dim: #94a3b8;
    --border: #1e293b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --orange: #f97316;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.5;
    height: 100vh;
    display: flex;
    overflow: hidden;
}

.app-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: #1a2533;
    padding: 0 20px;
    border-bottom: 2px solid var(--border);
    flex-shrink: 0;
}

.tabs {
    display: flex;
    gap: 4px;
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-weight: 600;
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    color: var(--text-main);
    border-bottom-color: var(--teal);
}

/* Layout */
.main-layout {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 20px;
    overflow-y: auto;
}

.sidebar-logs {
    width: 300px;
    background-color: #0d1622;
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 15px;
    flex-shrink: 0;
}

.sidebar-logs .section-header {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.log-box {
    flex: 1;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    background: #050b11;
    border-radius: 6px;
    padding: 10px;
}

.log-entry {
    margin-bottom: 4px;
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.log-entry.system {
    color: var(--teal);
}

.log-entry.error {
    color: var(--danger);
}

.log-entry.success {
    color: var(--success);
}

/* Input Section */
.input-section {
    background-color: var(--bg-input);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.section-header h2 {
    font-size: 1rem;
    color: var(--text-main);
}

.mode-selectors {
    display: flex;
    gap: 15px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 16px;
    height: 16px;
    border: 1px solid var(--border);
    border-radius: 3px;
    display: inline-block;
    position: relative;
}

.checkbox-container input:checked+.checkmark {
    background-color: var(--accent);
    border-color: var(--accent);
}

.checkbox-container input:checked+.checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 9px;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

textarea {
    width: 100%;
    height: 100px;
    background-color: #080e16;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    resize: none;
    outline: none;
    margin: 10px 0;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 8px 18px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Results Section */
.results-section {
    flex: 1;
    min-height: 0;
    background-color: #121c29;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.table-container {
    flex: 1;
    overflow-y: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    table-layout: fixed;
}

thead {
    position: sticky;
    top: 0;
    background-color: #1a2533;
    z-index: 10;
}

th {
    padding: 12px 15px;
    color: var(--text-dim);
    font-size: 0.75rem;
    text-transform: uppercase;
    border-bottom: 2px solid var(--border);
    text-align: left;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
    word-wrap: break-word;
}

.email-cell {
    color: #a5f3fc;
    font-weight: 500;
}

.stt-cell {
    text-align: center;
    color: var(--text-dim);
}

.time-cell {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.message-preview-container {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.message-preview {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    opacity: 0.9;
}

.chi-tiet-link {
    color: #4ade80;
    font-size: 0.75rem;
    text-decoration: none;
    cursor: pointer;
    font-style: italic;
    align-self: flex-start;
}

.chi-tiet-link:hover {
    text-decoration: underline;
    color: white;
}

.see-more-btn {
    text-align: center;
    color: var(--teal);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 10px;
    background: rgba(0, 242, 254, 0.05);
    border-bottom: 1px solid var(--border);
}

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

.code-value {
    font-weight: 700;
    color: white;
    font-size: 1rem;
    display: block;
}

.copy-badge {
    background-color: var(--orange);
    color: white;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: bold;
    cursor: pointer;
    display: inline-block;
    margin-top: 5px;
}

.account-divider td {
    border-bottom: 3px solid #1e293b;
    padding: 2px 0;
}

.hidden {
    display: none !important;
}

.extra-row {
    background-color: rgba(255, 255, 255, 0.01);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    background-color: #1a2533;
    margin: 5% auto;
    padding: 0;
    border: 1px solid var(--border);
    width: 80%;
    max-width: 900px;
    border-radius: 10px;
    height: 80vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: white;
    color: #333;
}

.close-modal {
    color: var(--text-dim);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover {
    color: white;
}

/* Footer */
footer {
    padding: 8px 20px;
    background-color: #1a2533;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-icon:hover {
    color: var(--danger);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 320px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1000;
}

.toast {
    padding: 10px 15px;
    background: var(--bg-card);
    border-left: 4px solid var(--teal);
    border-radius: 4px;
    color: white;
    font-size: 0.85rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}