/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg: #080816; --surface: rgba(255,255,255,0.04); --surface-hover: rgba(255,255,255,0.07);
    --border: rgba(255,255,255,0.08); --text: #e2e8f0; --text-muted: #94a3b8;
    --primary: #6366f1; --primary-glow: rgba(99,102,241,0.3); --accent: #a855f7;
    --success: #22c55e; --error: #ef4444; --warning: #f59e0b;
    --radius: 16px; --radius-sm: 10px; --radius-xs: 6px;
}
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; overflow-x: hidden; }

/* ===== BG ANIMATION ===== */
.bg-animation { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-orb { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.15; animation: orbFloat 20s ease-in-out infinite; }
.bg-orb-1 { width: 600px; height: 600px; background: var(--primary); top: -200px; left: -100px; }
.bg-orb-2 { width: 500px; height: 500px; background: var(--accent); bottom: -150px; right: -100px; animation-delay: -7s; }
.bg-orb-3 { width: 400px; height: 400px; background: #06b6d4; top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: -14s; }
@keyframes orbFloat { 0%,100%{ transform: translate(0,0) scale(1); } 33%{ transform: translate(30px,-40px) scale(1.1); } 66%{ transform: translate(-20px,30px) scale(0.9); } }

/* ===== LAYOUT ===== */
.app-container { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; padding: 20px; min-height: 100vh; display: flex; flex-direction: column; }

/* ===== HEADER ===== */
.app-header { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 24px; margin-bottom: 16px; backdrop-filter: blur(20px); }
.header-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.logo-section { display: flex; align-items: center; gap: 14px; }
.logo-icon svg { width: 40px; height: 40px; }
.logo-text h1 { font-size: 1.3rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.logo-badge { font-size: 0.6rem; font-weight: 700; background: linear-gradient(135deg, var(--primary), var(--accent)); color: white; padding: 2px 8px; border-radius: 4px; letter-spacing: 1.5px; }
.header-status { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--success); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 8px var(--success); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{ opacity:1; } 50%{ opacity:0.4; } }

/* ===== NAV TABS ===== */
.tab-nav { display: flex; gap: 6px; margin-bottom: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px; backdrop-filter: blur(20px); }
.tab-btn { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border: none; background: transparent; color: var(--text-muted); font-family: inherit; font-size: 0.85rem; font-weight: 500; border-radius: var(--radius-xs); cursor: pointer; transition: all 0.3s; }
.tab-btn:hover { color: var(--text); background: var(--surface-hover); }
.tab-btn.active { color: white; background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 4px 15px var(--primary-glow); }
.tab-content { display: none; animation: fadeSlide 0.4s ease; }
.tab-content.active { display: block; }
@keyframes fadeSlide { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ===== STEPS INDICATOR ===== */
.steps-indicator { display: flex; align-items: center; justify-content: center; gap: 0; margin-bottom: 24px; padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); backdrop-filter: blur(20px); }
.step { display: flex; align-items: center; gap: 8px; opacity: 0.4; transition: all 0.4s; }
.step.active { opacity: 1; }
.step.completed { opacity: 0.7; }
.step-circle { width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--text-muted); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; transition: all 0.4s; }
.step.active .step-circle { border-color: var(--primary); background: var(--primary); color: white; box-shadow: 0 0 12px var(--primary-glow); }
.step.completed .step-circle { border-color: var(--success); background: var(--success); color: white; }
.step span { font-size: 0.8rem; font-weight: 500; }
.step-line { width: 40px; height: 2px; background: var(--border); margin: 0 8px; transition: background 0.4s; }
.step-line.active { background: linear-gradient(90deg, var(--primary), var(--accent)); }

/* ===== CARDS ===== */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 16px; backdrop-filter: blur(20px); transition: all 0.3s; }
.card:hover { border-color: rgba(255,255,255,0.12); }
.card-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.card-icon { width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.15)); border: 1px solid rgba(99,102,241,0.2); display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0; }
.card-icon-success { background: linear-gradient(135deg, rgba(34,197,94,0.15), rgba(34,197,94,0.05)); border-color: rgba(34,197,94,0.2); color: var(--success); }
.card-icon-error { background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(239,68,68,0.05)); border-color: rgba(239,68,68,0.2); color: var(--error); }
.card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.card-subtitle { font-size: 0.85rem; color: var(--text-muted); }
.card-error { border-color: rgba(239,68,68,0.3); }

/* ===== FORM ELEMENTS ===== */
.form-group { margin-bottom: 20px; }
.form-label { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-input { width: 100%; padding: 12px 16px; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: var(--radius-xs); color: var(--text); font-family: inherit; font-size: 0.95rem; transition: all 0.3s; outline: none; }
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.form-input::placeholder { color: rgba(148,163,184,0.4); }
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; opacity: 0.7; }
.input-wrapper { display: flex; align-items: stretch; }
.input-prefix { display: flex; align-items: center; padding: 0 14px; background: rgba(99,102,241,0.1); border: 1px solid var(--border); border-right: none; border-radius: var(--radius-xs) 0 0 var(--radius-xs); color: var(--primary); font-weight: 600; font-size: 0.9rem; }
.input-wrapper .form-input { border-radius: 0 var(--radius-xs) var(--radius-xs) 0; }
.divider-or { text-align: center; margin: 20px 0; position: relative; }
.divider-or::before { content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: var(--border); }
.divider-or span { position: relative; background: rgba(8,8,22,0.8); padding: 0 16px; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 24px; border: none; border-radius: var(--radius-xs); font-family: inherit; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: all 0.3s; position: relative; overflow: hidden; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: white; box-shadow: 0 4px 20px var(--primary-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--primary-glow); }
.btn-primary:active { transform: translateY(0); }
.btn-lg { width: 100%; padding: 16px; font-size: 1rem; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-muted); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-success { background: linear-gradient(135deg, #059669, var(--success)); color: white; }
.btn-success:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(34,197,94,0.3); }
.btn-shine { position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: linear-gradient(transparent, rgba(255,255,255,0.08), transparent); transform: rotate(45deg); animation: shine 3s infinite; pointer-events: none; }
@keyframes shine { 0%{ transform: translateX(-100%) rotate(45deg); } 100%{ transform: translateX(100%) rotate(45deg); } }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ===== PIX / QR CODE ===== */
.user-found-badge { display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.2); border-radius: var(--radius-xs); color: var(--success); font-size: 0.85rem; margin-bottom: 24px; }
.qr-section { display: flex; flex-direction: column; align-items: center; gap: 16px; margin-bottom: 24px; }
.qr-container { background: white; padding: 16px; border-radius: 12px; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.qr-container canvas { width: 200px !important; height: 200px !important; }
.pix-value { text-align: center; }
.pix-label { display: block; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.pix-amount { font-size: 2rem; font-weight: 800; background: linear-gradient(135deg, var(--success), #4ade80); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.pix-code-section { margin-bottom: 24px; }
.pix-code-wrapper { display: flex; gap: 8px; align-items: stretch; }
.pix-code { flex: 1; padding: 12px; background: rgba(0,0,0,0.4); border: 1px solid var(--border); border-radius: var(--radius-xs); font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; align-items: center; word-break: break-all; }
.btn-copy { display: flex; align-items: center; gap: 6px; padding: 12px 16px; background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2); border-radius: var(--radius-xs); color: var(--primary); font-family: inherit; font-size: 0.82rem; font-weight: 600; cursor: pointer; transition: all 0.3s; white-space: nowrap; }
.btn-copy:hover { background: rgba(99,102,241,0.2); }
.action-buttons { display: flex; gap: 12px; }
.action-buttons .btn { flex: 1; }

/* ===== LOADING ===== */
.loading-overlay { position: fixed; inset: 0; z-index: 100; background: rgba(8,8,22,0.85); backdrop-filter: blur(8px); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; }
.loading-spinner { position: relative; width: 60px; height: 60px; }
.spinner-ring { position: absolute; inset: 0; border: 3px solid transparent; border-radius: 50%; }
.spinner-ring:nth-child(1) { border-top-color: var(--primary); animation: spin 1s linear infinite; }
.spinner-ring:nth-child(2) { border-right-color: var(--accent); animation: spin 1.5s linear infinite reverse; inset: 6px; }
.spinner-ring:nth-child(3) { border-bottom-color: #06b6d4; animation: spin 2s linear infinite; inset: 12px; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 1rem; font-weight: 600; }
.loading-subtext { font-size: 0.82rem; color: var(--text-muted); }

/* ===== HISTORY ===== */
.history-item { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; background: rgba(0,0,0,0.2); border: 1px solid var(--border); border-radius: var(--radius-xs); margin-bottom: 8px; transition: all 0.3s; }
.history-item:hover { border-color: rgba(255,255,255,0.12); }
.history-left { display: flex; align-items: center; gap: 12px; }
.history-dot { width: 8px; height: 8px; border-radius: 50%; }
.history-dot.success { background: var(--success); }
.history-dot.error { background: var(--error); }
.history-info strong { font-size: 0.9rem; display: block; }
.history-info span { font-size: 0.75rem; color: var(--text-muted); }
.history-time { font-size: 0.75rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }
.empty-state { text-align: center; padding: 40px 20px; opacity: 0.5; }
.empty-state p { margin-top: 12px; font-weight: 600; }
.empty-state span { font-size: 0.82rem; color: var(--text-muted); }

/* ===== STATS ===== */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat-item { text-align: center; padding: 16px; background: rgba(0,0,0,0.2); border: 1px solid var(--border); border-radius: var(--radius-xs); }
.stat-value { font-size: 1.8rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== CONFIG ===== */
.config-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== TOAST ===== */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 20px; display: flex; align-items: center; gap: 10px; font-size: 0.85rem; font-weight: 500; backdrop-filter: blur(20px); z-index: 200; box-shadow: 0 8px 32px rgba(0,0,0,0.4); opacity: 0; transition: all 0.4s ease; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== FOOTER ===== */
.app-footer { text-align: center; padding: 24px 0; font-size: 0.75rem; color: var(--text-muted); opacity: 0.5; margin-top: auto; }

/* ===== CLIENTS TAB ===== */
.search-bar { position: relative; margin-bottom: 16px; }
.search-bar svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }
.search-bar .form-input { padding-left: 48px; height: 50px; font-size: 1rem; border-radius: var(--radius-sm); }
.client-filter-row { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.filter-chip { padding: 8px 16px; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: 20px; color: var(--text-muted); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all 0.3s; font-family: inherit; }
.filter-chip:hover { border-color: rgba(255,255,255,0.2); color: var(--text); }
.filter-chip.active { background: rgba(99,102,241,0.15); border-color: rgba(99,102,241,0.4); color: var(--primary); }
.btn-sm { text-decoration: none; }

/* ===== HIDDEN ===== */
.hidden { display: none !important; }

/* ===== AUTOMATION TAB ===== */
.auto-stats-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 16px; }
.auto-stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 20px; text-align: center; backdrop-filter: blur(20px); transition: all 0.3s; }
.auto-stat-card:hover { transform: translateY(-2px); }
.auto-stat-number { font-size: 2rem; font-weight: 800; line-height: 1; }
.auto-stat-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; text-transform: uppercase; letter-spacing: 1px; }
.auto-stat-warning .auto-stat-number { color: var(--warning); text-shadow: 0 0 20px rgba(245,158,11,0.3); }
.auto-stat-warning { border-color: rgba(245,158,11,0.15); }
.auto-stat-danger .auto-stat-number { color: var(--error); text-shadow: 0 0 20px rgba(239,68,68,0.3); }
.auto-stat-danger { border-color: rgba(239,68,68,0.15); }
.auto-stat-info .auto-stat-number { color: var(--primary); text-shadow: 0 0 20px var(--primary-glow); }
.auto-stat-info { border-color: rgba(99,102,241,0.15); }
.auto-controls { display: flex; gap: 12px; align-items: flex-end; margin-bottom: 20px; }
.auto-interval-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; background: rgba(0,0,0,0.2); border: 1px solid var(--border); border-radius: var(--radius-xs); gap: 12px; }
.toggle-label { display: flex; align-items: center; gap: 12px; cursor: pointer; font-size: 0.85rem; }
.toggle-label input { display: none; }
.toggle-slider { width: 42px; height: 22px; background: rgba(255,255,255,0.1); border-radius: 11px; position: relative; transition: all 0.3s; flex-shrink: 0; }
.toggle-slider::after { content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; background: var(--text-muted); border-radius: 50%; transition: all 0.3s; }
.toggle-label input:checked + .toggle-slider { background: var(--primary); }
.toggle-label input:checked + .toggle-slider::after { transform: translateX(20px); background: white; }
/* Client Cards */
.client-card { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: rgba(0,0,0,0.2); border: 1px solid var(--border); border-radius: var(--radius-xs); margin-bottom: 8px; transition: all 0.3s; flex-wrap: wrap; }
.client-card:hover { border-color: rgba(255,255,255,0.12); background: rgba(0,0,0,0.3); }
.client-avatar { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.9rem; flex-shrink: 0; color: white; }
.client-avatar.critico { background: linear-gradient(135deg, var(--error), #dc2626); }
.client-avatar.alerta { background: linear-gradient(135deg, var(--warning), #d97706); }
.client-avatar.expirado { background: linear-gradient(135deg, #6b7280, #4b5563); }
.client-info { flex: 1; min-width: 120px; }
.client-name { font-weight: 600; font-size: 0.9rem; }
.client-detail { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.client-badge { padding: 4px 10px; border-radius: 20px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.client-badge.critico { background: rgba(239,68,68,0.15); color: var(--error); border: 1px solid rgba(239,68,68,0.3); }
.client-badge.alerta { background: rgba(245,158,11,0.15); color: var(--warning); border: 1px solid rgba(245,158,11,0.3); }
.client-badge.expirado { background: rgba(107,114,128,0.15); color: #9ca3af; border: 1px solid rgba(107,114,128,0.3); }
.client-actions { display: flex; gap: 6px; }
.btn-sm { padding: 8px 12px; font-size: 0.75rem; border-radius: var(--radius-xs); border: none; cursor: pointer; font-family: inherit; font-weight: 600; display: flex; align-items: center; gap: 4px; transition: all 0.3s; }
.btn-sm-primary { background: rgba(99,102,241,0.15); color: var(--primary); border: 1px solid rgba(99,102,241,0.2); }
.btn-sm-primary:hover { background: rgba(99,102,241,0.25); }
.btn-sm-success { background: rgba(34,197,94,0.15); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.btn-sm-success:hover { background: rgba(34,197,94,0.25); }
.btn-sm.sent { opacity: 0.5; cursor: default; }
.no-whats-badge { font-size: 0.7rem; color: var(--text-muted); opacity: 0.6; font-style: italic; }
select.form-input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394a3b8' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
    .app-container { padding: 12px; }
    .config-grid { grid-template-columns: 1fr; }
    .action-buttons { flex-direction: column; }
    .step span { display: none; }
    .tab-btn { font-size: 0; gap: 0; }
    .tab-btn svg { font-size: initial; }
    .header-content { justify-content: center; }
    .auto-controls { flex-direction: column; }
    .auto-stats-row { grid-template-columns: 1fr; }
    .client-card { flex-direction: column; align-items: flex-start; }
    .client-actions { width: 100%; }
    .auto-interval-row { flex-direction: column; align-items: flex-start; }
}