/* ================================================================
   WELCOME SCREEN — First-visit onboarding overlay
   Tela de boas-vindas na primeira visita: Tour destacado + 4 cards

   This Source Code Form is subject to the terms of the Mozilla Public
   License, v. 2.0.
   ================================================================ */

/* --- Overlay fullscreen --- */

.welcome-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.welcome-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* --- Main card container --- */

.welcome-container {
    width: 92%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.06);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 36px 32px 28px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(20px) scale(0.96);
    transition: transform 0.35s ease;
    color: #e2e8f0;
}

.welcome-overlay.active .welcome-container {
    transform: translateY(0) scale(1);
}

/* --- Brand header --- */

.welcome-brand {
    text-align: center;
    margin-bottom: 6px;
}

.welcome-brand-name {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #f1f5f9;
}

.welcome-brand-dot {
    color: #38bdf8;
}

.welcome-subtitle {
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

/* --- Mission statement --- */

.welcome-mission {
    text-align: center;
    font-size: 12px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.45);
    max-width: 500px;
    margin: 0 auto 24px;
    padding: 0 16px;
    font-style: italic;
}

/* --- Tour highlight card --- */

.welcome-tour-card {
    background: rgba(59, 130, 246, 0.12);
    border: 1.5px solid rgba(59, 130, 246, 0.35);
    border-radius: 14px;
    padding: 20px 24px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 18px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.welcome-tour-card:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.55);
    transform: translateY(-1px);
}

.welcome-tour-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #60a5fa;
}

.welcome-tour-body {
    flex: 1;
}

.welcome-tour-title {
    font-size: 16px;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 4px;
}

.welcome-tour-desc {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.5;
}

.welcome-tour-meta {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.35);
    margin-top: 4px;
}

.welcome-tour-btn {
    flex-shrink: 0;
    background: #3b82f6;
    color: #fff;
    border: none;
    border-radius: var(--radius-xl);
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
}

.welcome-tour-btn:hover {
    background: #2563eb;
}

/* --- Section label --- */

.welcome-section-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 14px;
    letter-spacing: 0.3px;
}

/* --- Mode cards grid --- */

.welcome-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.welcome-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 18px 14px;
    text-align: center;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.welcome-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.welcome-card-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #94a3b8;
}

.welcome-card-title {
    font-size: 13px;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 6px;
    line-height: 1.3;
}

.welcome-card-desc {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.45;
}

/* --- Card accent colors on hover --- */

.welcome-card[data-mode="blank"]:hover {
    border-color: rgba(34, 197, 94, 0.4);
}

.welcome-card[data-mode="blank"] .welcome-card-icon {
    color: #4ade80;
}

.welcome-card[data-mode="random"]:hover {
    border-color: rgba(168, 85, 247, 0.4);
}

.welcome-card[data-mode="random"] .welcome-card-icon {
    color: #c084fc;
}

.welcome-card[data-mode="mapPicker"]:hover {
    border-color: rgba(245, 158, 11, 0.4);
}

.welcome-card[data-mode="mapPicker"] .welcome-card-icon {
    color: #fbbf24;
}

.welcome-card[data-mode="lastProject"]:hover {
    border-color: rgba(56, 189, 248, 0.4);
}

.welcome-card[data-mode="lastProject"] .welcome-card-icon {
    color: #38bdf8;
}

/* --- Footer checkbox --- */

.welcome-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.35);
}

.welcome-footer input[type="checkbox"] {
    accent-color: #3b82f6;
}

/* ================================================================
   INVITE-ONLY MODE (INV-2 + INV-3)
   Tela de acesso exclusivo por convite
   ================================================================ */

/* --- Invite container --- */

.welcome-invite-container {
    max-width: 480px;
    text-align: center;
}

/* --- Invite code section --- */

.invite-code-section {
    margin: 24px 0 16px;
}

.invite-code-label {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 12px;
}

.invite-code-inputs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
}

.invite-code-field {
    width: 120px;
    padding: 12px 16px;
    font-size: 20px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 4px;
    text-align: center;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.06);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    color: #f1f5f9;
    outline: none;
    transition: border-color 0.2s;
}

.invite-code-field:focus {
    border-color: #3b82f6;
}

.invite-code-field::placeholder {
    color: rgba(255, 255, 255, 0.2);
    letter-spacing: 2px;
}

.invite-code-dash {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.25);
}

.invite-code-error {
    font-size: 12px;
    color: #f87171;
    margin-bottom: 8px;
}

.invite-submit-btn {
    display: block;
    width: 100%;
    max-width: 280px;
    margin: 16px auto 0;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: #3b82f6;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
}

.invite-submit-btn:hover {
    background: #2563eb;
}

.invite-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* --- Shake animation for invalid code --- */

.invite-shake {
    animation: inviteShake 0.4s ease;
}

@keyframes inviteShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* --- Login section (existing users) --- */

.invite-login-section {
    margin-top: 16px;
    text-align: center;
}

.invite-login-link {
    color: rgba(255, 255, 255, 0.65);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.15s;
}

.invite-login-link:hover {
    color: #38bdf8;
}

.invite-demo-btn {
    display: block;
    width: 100%;
    max-width: 280px;
    margin: 12px auto 0;
    min-height: 44px;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    color: #cbd5e1;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.invite-demo-btn:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #f8fafc;
    border-color: rgba(255, 255, 255, 0.35);
}

/* --- Waitlist section (INV-3) --- */

.invite-waitlist-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.invite-waitlist-link {
    color: #38bdf8;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-decoration: none;
    transition: color 0.15s, transform 0.15s;
    animation: waitlist-pulse 2.5s ease-in-out infinite;
}

.invite-waitlist-link::before {
    content: "\2794  ";
}

.invite-waitlist-link:hover {
    color: #7dd3fc;
    text-decoration: underline;
    transform: translateX(2px);
}

@keyframes waitlist-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.65; }
}

.invite-back-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 12px;
}

.invite-waitlist-title {
    font-size: 16px;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 14px;
}

.invite-waitlist-form {
    text-align: left;
}

.invite-waitlist-input {
    display: block;
    width: 100%;
    padding: 10px 14px;
    margin-bottom: 10px;
    font-size: 13px;
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.invite-waitlist-input:focus {
    border-color: #3b82f6;
}

.invite-waitlist-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.invite-waitlist-textarea {
    resize: vertical;
    min-height: 48px;
}

.invite-waitlist-submit-btn {
    margin-top: 6px;
}

.invite-waitlist-done {
    text-align: center;
    color: #4ade80;
    font-size: 14px;
    padding: 16px 0;
}

.invite-waitlist-done span {
    font-size: 20px;
}

/* --- Responsive: stack cards on narrow screens --- */

@media (max-width: 600px) {
    .welcome-container {
        padding: 24px 18px 20px;
    }

    .welcome-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .welcome-tour-card {
        flex-direction: column;
        text-align: center;
    }

    .welcome-tour-btn {
        width: 100%;
    }

    .invite-code-field {
        width: 90px;
        font-size: 16px;
        padding: 10px 12px;
    }
}