/* Modern WhatsApp Cloud API & Embedded Signup Dashboard Theme */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-main: #0B0F19;
    --bg-card: rgba(18, 24, 38, 0.85);
    --bg-card-hover: rgba(26, 34, 53, 0.95);
    --bg-input: #0e1526;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(37, 211, 102, 0.3);
    
    --wa-green: #25D366;
    --wa-dark-green: #128C7E;
    --wa-teal: #075E54;
    --meta-blue: #0866FF;
    --meta-purple: #7928CA;
    
    --text-primary: #F3F4F6;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    --status-sent: #9CA3AF;
    --status-delivered: #60A5FA;
    --status-read: #34D399;
    --status-echo: #F59E0B;
    
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(at 0% 0%, rgba(37, 211, 102, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(8, 102, 255, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(121, 40, 202, 0.04) 0px, transparent 50%);
    background-attachment: fixed;
}

/* Header */
.app-header {
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--wa-green), var(--wa-dark-green));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.brand-icon svg {
    width: 26px;
    height: 26px;
    fill: white;
}

.brand-info h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #ffffff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--wa-green), #1fad53);
    color: #052e16;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-meta {
    background: linear-gradient(135deg, #0866FF, #0052cc);
    color: white;
    box-shadow: 0 4px 15px rgba(8, 102, 255, 0.3);
}

.btn-meta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(8, 102, 255, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

/* Container */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1.5rem 2rem 3rem;
    width: 100%;
}

/* Coexistence Notice Banner */
.coexistence-banner {
    background: linear-gradient(90deg, rgba(37, 211, 102, 0.12), rgba(8, 102, 255, 0.12));
    border: 1px solid rgba(37, 211, 102, 0.25);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
}

.banner-content {
    display: flex;
    align-items: center;
    gap: 14px;
}

.banner-badge {
    background: var(--wa-green);
    color: #052e16;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.banner-text h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

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

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 24px;
}

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

/* Card */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--glass-shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Phone / Account List */
.phone-item {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.phone-item:hover, .phone-item.active {
    border-color: var(--wa-green);
    background: rgba(37, 211, 102, 0.08);
}

.phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.phone-number {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
}

.badge-success { background: rgba(37, 211, 102, 0.2); color: var(--wa-green); }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }
.badge-info { background: rgba(8, 102, 255, 0.2); color: #60a5fa; }

.phone-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    gap: 10px;
}

/* Tabs */
.tabs-nav {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
    padding-bottom: 8px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
    color: var(--wa-green);
    background: rgba(37, 211, 102, 0.12);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Chat Container */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 600px;
    background: rgba(14, 21, 38, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.chat-header {
    background: rgba(18, 24, 38, 0.95);
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-contact-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.chat-contact-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

.message-bubble {
    max-width: 70%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.875rem;
    line-height: 1.4;
    position: relative;
    word-break: break-word;
}

.message-bubble.outbound {
    align-self: flex-end;
    background: #005c4b;
    color: #e9edef;
    border-bottom-right-radius: 2px;
}

.message-bubble.echo {
    align-self: flex-end;
    background: #1e3a5f;
    border: 1px solid rgba(96, 165, 250, 0.3);
    color: #e9edef;
    border-bottom-right-radius: 2px;
}

.message-bubble.inbound {
    align-self: flex-start;
    background: #202c33;
    color: #e9edef;
    border-bottom-left-radius: 2px;
}

.msg-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 4px;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
}

.msg-echo-tag {
    font-size: 0.65rem;
    background: rgba(245, 158, 11, 0.3);
    color: #fcd34d;
    padding: 1px 4px;
    border-radius: 4px;
}

/* Chat Input Bar */
.chat-input-bar {
    background: rgba(18, 24, 38, 0.95);
    padding: 14px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    align-items: center;
}

.form-control {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    outline: none;
    transition: var(--transition);
    width: 100%;
}

.form-control:focus {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.2);
}

/* Form Groups */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

/* Logs View */
.logs-console {
    background: #060911;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px;
    height: 400px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
}

.log-entry {
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    color: #94a3b8;
}

.log-time {
    color: #64748b;
    margin-right: 6px;
}

.log-tag {
    font-weight: 600;
    color: var(--wa-green);
}

/* Toast Alerts */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: rgba(18, 24, 38, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--wa-green);
    border-radius: var(--radius-sm);
    padding: 12px 18px;
    color: var(--text-primary);
    font-size: 0.875rem;
    box-shadow: var(--glass-shadow);
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}