@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --whatsapp-green: #25D366;
    --whatsapp-dark-green: #128C7E;
    --meta-blue: #0866FF;
    --meta-bg: #F5F5F5;
    --text-primary: #1C1E21;
    --text-secondary: #65676B;
    --border-color: #E4E6EB;
    --card-bg: #FFFFFF;
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.08);
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--meta-bg);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Estilo Meta Business */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--meta-blue), #00C6FF);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px rgba(8, 102, 255, 0.3);
}

.brand-title {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.navbar-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    background-color: #F0F2F5;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--whatsapp-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--whatsapp-green);
    animation: pulse 1.5s infinite;
}

/* Main Layout */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 1.5rem;
    flex-grow: 1;
}

.app-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 992px) {
    .app-grid {
        grid-template-columns: 1fr;
    }
}

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

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: #FCFDFD;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.card-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.card-body {
    padding: 1.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    pointer-events: none;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    background-color: #F8F9FA;
    transition: var(--transition-smooth);
}

.form-control-icon {
    padding-left: 2.75rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--whatsapp-dark-green);
    background-color: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-help {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.375rem;
    display: block;
}

/* Botão Enviar */
.btn-submit {
    width: 100%;
    background-color: var(--whatsapp-green);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 6px rgba(37, 211, 102, 0.2);
}

.btn-submit:hover {
    background-color: var(--whatsapp-dark-green);
    box-shadow: 0 6px 12px rgba(18, 140, 126, 0.3);
    transform: translateY(-1px);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit:disabled {
    background-color: #A8E8BC;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    display: none;
}

.btn-submit.loading .spinner {
    display: inline-block;
}

.btn-submit.loading .btn-text {
    display: none;
}

/* WhatsApp Live Preview Mockup */
.phone-mockup {
    border: 12px solid #1C1E21;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    background-color: #E5DDD5; /* Fundo clássico do WhatsApp */
    max-width: 360px;
    margin: 0 auto;
    width: 100%;
    aspect-ratio: 9 / 19.5;
    display: flex;
    flex-direction: column;
}

.phone-header {
    background-color: #075E54;
    color: white;
    padding: 1.5rem 1rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.phone-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #D4E2D4;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #075E54;
    font-weight: bold;
    font-size: 1.1rem;
}

.phone-user-info {
    flex-grow: 1;
}

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

.phone-user-status {
    font-size: 0.7rem;
    opacity: 0.8;
}

.phone-screen {
    flex-grow: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background-image: radial-gradient(#dfdcd6 20%, transparent 20%),
                      radial-gradient(#dfdcd6 20%, transparent 20%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
}

.chat-bubble {
    max-width: 85%;
    padding: 0.5rem 0.75rem;
    border-radius: 7.5px;
    margin-bottom: 0.5rem;
    position: relative;
    font-size: 0.85rem;
    line-height: 1.4;
    box-shadow: 0 1px 0.5px rgba(0,0,0,0.13);
    word-break: break-word;
}

.chat-bubble.sent {
    background-color: #DCF8C6;
    align-self: flex-end;
    border-top-right-radius: 0;
}

.chat-bubble.sent::after {
    content: "";
    position: absolute;
    top: 0;
    right: -8px;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    border-top-color: #DCF8C6;
    border-left-color: #DCF8C6;
}

.bubble-time {
    display: block;
    text-align: right;
    font-size: 0.65rem;
    color: rgba(0, 0, 0, 0.45);
    margin-top: 0.25rem;
}

/* Console de Log Técnico */
.console-card {
    margin-top: 2rem;
    background-color: #1E1E1E;
    border-color: #333333;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    color: #E0E0E0;
}

.console-card .card-header {
    background-color: #252526;
    border-bottom: 1px solid #333333;
}

.console-card h2 {
    color: #E0E0E0;
}

.console-card p {
    color: #858585;
}

.code-output {
    background-color: #1E1E1E;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    white-space: pre-wrap;
    max-height: 300px;
    border: 1px solid #333333;
    color: #4EC9B0;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background-color: white;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-left: 5px solid transparent;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    min-width: 300px;
    max-width: 450px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left-color: var(--whatsapp-green);
}

.toast.error {
    border-left-color: #EA4335;
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-content {
    flex-grow: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.toast-message {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

.toast-close {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1rem;
    opacity: 0.7;
    transition: opacity 0.2s;
    background: none;
    border: none;
}

.toast-close:hover {
    opacity: 1;
}

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

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--card-bg);
    margin-top: auto;
}