:root {
    --brand-primary: #6366f1;
    --brand-dark: #4338ca;
    --surface-bg: #f8fafc;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--surface-bg);
    -webkit-font-smoothing: antialiased;
    padding-bottom: 80px;
}

h1,
h2,
h3,
h4,
.font-display {
    font-family: 'Space Grotesk', sans-serif;
}

.fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Shimmer Loading Effect (NEW) */
.shimmer {
    background: linear-gradient(90deg, #f1f5f9 25%, #f8fafc 50%, #f1f5f9 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
}

@keyframes shimmer {
    from {
        background-position: 200% 0;
    }

    to {
        background-position: -200% 0;
    }
}

.glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.card-hover {
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(99, 102, 241, 0.15);
    border-color: #c7d2fe;
}

.btn-brand {
    background: black;
    color: white;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    border-radius: 999px;
}

.btn-brand:hover {
    background: #6366f1;
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-brand:active {
    transform: scale(0.98);
}

.btn-brand:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: #94a3b8;
    transform: none;
    box-shadow: none;
}

.blob {
    position: absolute;
    filter: blur(90px);
    opacity: 0.6;
    z-index: 0;
    animation: float 8s infinite ease-in-out;
    pointer-events: none;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-20px) scale(1.05);
    }
}

/* Animação de Fluxo (Flow) */
@keyframes flowMove {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 100% 50%;
    }
}

.flow-line-anim {
    background: linear-gradient(90deg, #6366f1, #a855f7, #6366f1);
    background-size: 200% 200%;
    animation: flowMove 3s linear infinite;
}

/* Mobile Nav */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid #f1f5f9;
    padding: 12px 24px 24px;
    z-index: 40;
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.02);
}

.nav-item {
    color: #94a3b8;
    flex-direction: column;
    display: flex;
    align-items: center;
    font-size: 10px;
    font-weight: 600;
    gap: 4px;
    transition: 0.2s;
}

.nav-item i {
    font-size: 20px;
    transition: 0.2s;
}

.nav-item.active {
    color: #6366f1;
}

.nav-item.active i {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .bottom-nav {
        display: none;
    }
}

/* Chat Styles */
.chat-bubble {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 13px;
    line-height: 1.4;
    position: relative;
    margin-bottom: 8px;
}

.chat-sent {
    background-color: #6366f1;
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-received {
    background-color: #f1f5f9;
    color: #334155;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

/* Form Elements */
.profile-input {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 12px;
    font-size: 14px;
    width: 100%;
    transition: all 0.2s;
}

.profile-input:focus {
    border-color: #6366f1;
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.profile-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: #64748b;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag-select {
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.tag-select.selected {
    background-color: #000;
    color: #fff;
    border-color: #000;
    transform: scale(1.05);
}

.tab-btn {
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 700;
    color: #94a3b8;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab-btn.active {
    color: #6366f1;
    border-bottom-color: #6366f1;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

.toggle-checkbox:checked {
    right: 0;
    border-color: #6366f1;
}

.toggle-checkbox:checked+.toggle-label {
    background-color: #6366f1;
}

.toggle-checkbox {
    right: 0;
}

.toggle-label {
    width: 40px;
}

#turbo-toggle:checked {
    border-color: #f97316;
}

#turbo-toggle:checked+.toggle-label {
    background-color: #f97316;
}

.star-rating i:hover,
.star-rating i.active {
    color: #fbbf24;
}

html {
    scroll-behavior: smooth;
}