/* ========================================================
   WhatsSender PRO - Design System & Modern Dark Stylesheet
   ======================================================== */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Palette */
    --bg-main: #0b141a;
    --bg-card: #111b21;
    --bg-card-hover: #162229;
    --bg-subtle: #202c33;
    --bg-input: #182229;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: #00a884;

    /* WhatsApp Emerald Greens */
    --wa-green: #00a884;
    --wa-green-hover: #02906f;
    --wa-green-light: #25d366;
    --wa-green-glow: rgba(0, 168, 132, 0.35);

    /* Text Colors */
    --text-primary: #e9edef;
    --text-secondary: #8696a0;
    --text-muted: #667781;
    --text-inverse: #0b141a;

    /* Status Colors */
    --status-success: #00a884;
    --status-warning: #f59e0b;
    --status-danger: #ef4444;
    --status-info: #3b82f6;

    /* Shadows & Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 15px var(--wa-green-glow);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-subtle);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ========================================================
   Header
   ======================================================== */
.app-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #00a884 0%, #25d366 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 0 12px rgba(37, 211, 102, 0.4);
}

.brand-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.brand-text h1 span {
    font-size: 0.68rem;
    font-weight: 800;
    background: var(--wa-green-light);
    color: var(--text-inverse);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
}

.brand-text p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

/* Connection Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-initializing .status-dot {
    background-color: var(--status-warning);
    box-shadow: 0 0 8px var(--status-warning);
    animation: pulse 1.5s infinite;
}

.status-ready .status-dot {
    background-color: var(--status-success);
    box-shadow: 0 0 8px var(--status-success);
}

.status-disconnected .status-dot {
    background-color: var(--status-danger);
    box-shadow: 0 0 8px var(--status-danger);
}

.status-qr .status-dot {
    background-color: var(--status-info);
    box-shadow: 0 0 8px var(--status-info);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

/* ========================================================
   Layout & Grid
   ======================================================== */
.main-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1.5rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.grid-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ========================================================
   Cards
   ======================================================== */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.card-header {
    padding: 1.15rem 1.4rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.step-num {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background-color: var(--wa-green);
    color: var(--text-inverse);
    font-size: 0.85rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.card-title h2 {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.card-body {
    padding: 1.4rem;
}

/* ========================================================
   Buttons & Controls
   ======================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.65rem 1.15rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--wa-green);
    color: var(--text-inverse);
    box-shadow: 0 2px 10px rgba(0, 168, 132, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--wa-green-hover);
    box-shadow: 0 4px 14px rgba(0, 168, 132, 0.45);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-subtle);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #2a3942;
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-warning {
    background-color: var(--status-warning);
    color: var(--text-inverse);
}
.btn-warning:hover:not(:disabled) {
    background-color: #d97706;
}

.btn-danger {
    background-color: var(--status-danger);
    color: #fff;
}
.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.85rem 1.6rem;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--bg-subtle);
}

.btn-link {
    background: none;
    border: none;
    color: var(--wa-green-light);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: var(--transition);
}

.btn-link:hover {
    color: #2fe770;
    text-decoration: underline;
}

.btn-text-danger {
    background: none;
    border: none;
    color: var(--status-danger);
    font-size: 0.8rem;
    cursor: pointer;
}
.btn-text-danger:hover {
    text-decoration: underline;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========================================================
   Tabs
   ======================================================== */
.tabs-nav {
    display: flex;
    background-color: var(--bg-input);
    border-radius: var(--radius-md);
    padding: 0.25rem;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.tab-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.55rem 0.9rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background-color: var(--bg-subtle);
    color: var(--wa-green-light);
    font-weight: 600;
}

.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}

/* ========================================================
   Dropzone
   ======================================================== */
.dropzone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    background-color: rgba(24, 34, 41, 0.5);
    border-radius: var(--radius-lg);
    padding: 2.2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.dropzone:hover, .dropzone.drag-over {
    border-color: var(--wa-green);
    background-color: rgba(0, 168, 132, 0.05);
}

.file-input-hidden {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.dropzone-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.85rem;
    color: var(--wa-green);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropzone-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.dropzone-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.85rem;
}

.dropzone-tags {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
}

.dropzone-tags span {
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background-color: var(--bg-subtle);
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* File Loaded Meta */
.file-loaded-area {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.file-info-badge {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.file-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.file-name {
    font-size: 0.9rem;
    font-weight: 600;
}

/* Form inputs */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    padding: 0.6rem 0.85rem;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(0, 168, 132, 0.2);
}

.form-control-sm {
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.input-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.45rem;
    line-height: 1.4;
}

.input-hint code {
    background-color: var(--bg-subtle);
    color: var(--wa-green-light);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    font-family: var(--font-mono);
}

/* ========================================================
   Variable Chips & Message Editor
   ======================================================== */
.variable-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    min-height: 32px;
    align-items: center;
}

.no-vars-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
}

.var-chip {
    background-color: rgba(0, 168, 132, 0.15);
    border: 1px solid rgba(0, 168, 132, 0.4);
    color: #2fe770;
    border-radius: 20px;
    padding: 0.25rem 0.7rem;
    font-size: 0.78rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.var-chip:hover {
    background-color: var(--wa-green);
    color: var(--text-inverse);
    transform: translateY(-1px);
}

.message-editor-wrapper {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-input);
    overflow: hidden;
}

.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.6rem;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.tool-btn {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.tool-btn:hover {
    background-color: var(--bg-subtle);
    color: var(--text-primary);
}

.toolbar-spacer {
    flex: 1;
}

.counter-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.message-textarea {
    border: none;
    resize: vertical;
    border-radius: 0;
    min-height: 120px;
    font-size: 0.9rem;
    line-height: 1.5;
}
.message-textarea:focus {
    box-shadow: none;
    border-color: transparent;
}

/* Single test message box */
.test-message-box {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
}

.test-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
    color: var(--text-secondary);
}

.test-header h4 {
    font-size: 0.85rem;
    font-weight: 600;
}

.test-body {
    display: flex;
    gap: 0.65rem;
}

/* ========================================================
   WhatsApp Chat Simulation Mockup
   ======================================================== */
.chat-preview-card .card-body {
    padding: 1rem;
}

.preview-contact-picker {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.wa-mockup {
    background-color: #0b141a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.4);
}

.wa-mockup-header {
    background-color: #202c33;
    padding: 0.65rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.wa-mockup-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #6b7c85;
    color: #cfd9df;
    display: flex;
    align-items: center;
    justify-content: center;
}
.wa-mockup-avatar svg {
    width: 22px;
    height: 22px;
}

.wa-mockup-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.wa-mockup-status {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.wa-mockup-chat {
    min-height: 150px;
    max-height: 280px;
    padding: 1.25rem 1rem;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 0);
    background-size: 20px 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.wa-bubble-wrapper {
    display: flex;
    justify-content: flex-end;
}

.wa-bubble.outgoing {
    background-color: #005c4b;
    color: #e9edef;
    max-width: 82%;
    padding: 0.55rem 0.75rem 0.4rem 0.85rem;
    border-radius: 8px 0px 8px 8px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
    position: relative;
    word-break: break-word;
    font-size: 0.88rem;
}

.wa-bubble-content {
    line-height: 1.45;
    white-space: pre-wrap;
}

.wa-bubble-meta {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.3rem;
    margin-top: 0.2rem;
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.6);
}

.double-check {
    width: 14px;
    height: 10px;
}

/* ========================================================
   Campaign Controls & Metrics
   ======================================================== */
.campaign-actions {
    display: flex;
    gap: 0.85rem;
}

.campaign-actions .btn {
    flex: 1;
}

.progress-section {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.progress-value {
    color: var(--wa-green-light);
    font-family: var(--font-mono);
}

.progress-bar-container {
    height: 8px;
    background-color: var(--bg-subtle);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #00a884, #25d366);
    box-shadow: 0 0 10px rgba(37, 211, 102, 0.5);
    transition: width 0.3s ease;
}

.countdown-box {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.65rem;
    font-size: 0.8rem;
    color: var(--status-warning);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.metric-card {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.85rem 0.65rem;
    text-align: center;
}

.metric-num {
    font-size: 1.4rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.metric-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.2rem;
}

.text-muted { color: var(--text-secondary); }
.text-success { color: var(--status-success); }
.text-warning { color: var(--status-warning); }
.text-danger { color: var(--status-danger); }

/* Results Table */
.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.65rem;
}

.results-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
}

.table-container {
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-input);
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    text-align: left;
}

.results-table th {
    background-color: var(--bg-subtle);
    padding: 0.55rem 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 5;
}

.results-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.empty-row td {
    text-align: center;
    color: var(--text-muted);
    padding: 1.5rem;
}

.badge-tag {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 600;
}

.badge-tag.sent { background: rgba(0, 168, 132, 0.2); color: #2fe770; }
.badge-tag.unregistered { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-tag.error { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.badge-tag.sending { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }

/* Status Badges */
.badge {
    padding: 0.25rem 0.65rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-primary { background: rgba(0, 168, 132, 0.2); color: var(--wa-green-light); }
.badge-idle { background: var(--bg-subtle); color: var(--text-secondary); }
.badge-running { background: rgba(0, 168, 132, 0.25); color: #2fe770; border: 1px solid #00a884; }
.badge-paused { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-completed { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
.badge-stopped { background: rgba(239, 68, 68, 0.2); color: #f87171; }

/* Logs Terminal */
.logs-section {
    background-color: #080d10;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.logs-header {
    background-color: var(--bg-subtle);
    padding: 0.4rem 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.logs-title {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.logs-terminal {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.65rem;
    max-height: 140px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.log-entry {
    line-height: 1.4;
    word-break: break-all;
}

.log-info { color: #94a3b8; }
.log-success { color: #34d399; }
.log-warn { color: #fbbf24; }
.log-error { color: #f87171; }

/* ========================================================
   QR Modal & Dropdowns
   ======================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 440px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    overflow: hidden;
}

.modal-header {
    padding: 1.15rem 1.4rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-body {
    padding: 1.5rem;
}

.qr-image-wrapper {
    display: flex;
    justify-content: center;
    padding: 1rem;
    background-color: #fff;
    border-radius: var(--radius-lg);
    width: fit-content;
    margin: 0 auto;
}

.qr-img {
    width: 260px;
    height: 260px;
    display: block;
}

.qr-instructions {
    text-align: left;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.5rem 0.8rem;
    background-color: var(--bg-subtle);
    border-radius: var(--radius-md);
}

.qr-instructions ol {
    margin-left: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-subtle);
    border-top-color: var(--wa-green);
    border-radius: 50%;
    margin: 1.5rem auto;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
}
.btn-close:hover { color: var(--text-primary); }

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 200px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 60;
    overflow: hidden;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.65rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.85rem;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: var(--bg-subtle);
}

.dropdown-item.text-danger {
    color: var(--status-danger);
}
.dropdown-item.text-danger:hover {
    background-color: rgba(239, 68, 68, 0.15);
}

.notification-banner {
    background-color: var(--bg-subtle);
    border: 1px solid var(--wa-green);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.88rem;
}

/* Utilities */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.85rem; }
.mt-4 { margin-top: 1.25rem; }

.clean-format-hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(0, 168, 132, 0.1);
    border: 1px solid rgba(0, 168, 132, 0.25);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.75rem;
    font-size: 0.78rem;
    color: var(--wa-green-light);
}
.clean-format-hint svg {
    flex-shrink: 0;
}
.clean-format-hint code {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.05rem 0.3rem;
    border-radius: 3px;
    font-family: var(--font-mono);
}

.detected-files-box {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 0.9rem;
}
.detected-files-header {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.detected-files-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.detected-file-chip {
    background: rgba(0, 168, 132, 0.15);
    border: 1px solid rgba(0, 168, 132, 0.35);
    color: var(--wa-green-light);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: var(--transition);
}
.detected-file-chip:hover {
    background: var(--wa-green);
    color: var(--text-inverse);
    transform: translateY(-1px);
}

/* ========================================================
   Card Validation Shake & Highlight
   ======================================================== */
.card-error {
    border-color: var(--status-danger) !important;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4) !important;
    animation: cardShake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes cardShake {
    10%, 90% { transform: translate3d(-2px, 0, 0); }
    20%, 80% { transform: translate3d(4px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-6px, 0, 0); }
    40%, 60% { transform: translate3d(6px, 0, 0); }
}

/* ========================================================
   Floating Toast Notifications
   ======================================================== */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
    max-width: 420px;
    width: 90%;
}

.toast {
    pointer-events: auto;
    background-color: #162229;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 4px solid var(--wa-green);
    border-radius: var(--radius-md);
    padding: 0.9rem 1.1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.toast-error {
    border-left-color: var(--status-danger);
}
.toast.toast-warning {
    border-left-color: var(--status-warning);
}
.toast.toast-success {
    border-left-color: var(--status-success);
}
.toast.toast-info {
    border-left-color: var(--status-info);
}

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}
.toast.toast-error .toast-icon { color: var(--status-danger); }
.toast.toast-warning .toast-icon { color: var(--status-warning); }
.toast.toast-success .toast-icon { color: var(--status-success); }
.toast.toast-info .toast-icon { color: var(--status-info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.2rem;
}

.toast-body {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.toast-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.2rem;
    transition: var(--transition);
}
.toast-close-btn:hover {
    color: var(--text-primary);
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Confirm Action Modal */
.confirm-modal-content {
    max-width: 480px;
}
.confirm-message {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-primary);
}
.confirm-details {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--text-secondary);
}
.confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}