:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #94a3b8;
    --accent-color: #00d9ff;
    --accent-secondary: #ff00c8;
    --dark-bg: #0a0a1a;
    --dark-card: #13132e;
    --light-bg: #f5f7ff;
    --light-card: #ffffff;
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.15), 0 1px 5px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 35px rgba(0,0,0,0.15), 0 5px 15px rgba(0,0,0,0.07);
    --glow: 0 0 15px rgba(0, 217, 255, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Exo 2', sans-serif;
    line-height: 1.6;
    transition: var(--transition);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--light-bg);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Efeito de partículas futuristas */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Tema escuro */
[data-bs-theme="dark"] body {
    background-color: var(--dark-bg);
    color: #e2e8f0;
    background-image: linear-gradient(to bottom right, #0a0a1a, #0f172a);
}

[data-bs-theme="dark"] .navbar {
    background: rgba(19, 19, 46, 0.9) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
}

[data-bs-theme="dark"] .card {
    background-color: var(--dark-card);
    border: 1px solid rgba(0, 217, 255, 0.15);
    color: #e2e8f0;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(5px);
}

[data-bs-theme="dark"] .form-control {
    background-color: rgba(26, 36, 56, 0.7);
    border: 1px solid rgba(0, 217, 255, 0.2);
    color: #e2e8f0;
    transition: var(--transition);
}

[data-bs-theme="dark"] .form-control:focus {
    background-color: rgba(26, 36, 56, 0.9);
    border-color: var(--accent-color);
    color: #e2e8f0;
    box-shadow: 0 0 0 0.25rem rgba(0, 217, 255, 0.25);
}

[data-bs-theme="dark"] .dropdown-menu {
    background-color: rgba(30, 30, 60, 0.95);
    border: 1px solid rgba(0, 217, 255, 0.2);
    backdrop-filter: blur(10px);
}

[data-bs-theme="dark"] .dropdown-item {
    color: #e2e8f0;
    transition: var(--transition);
}

[data-bs-theme="dark"] .dropdown-item:hover {
    background-color: rgba(0, 217, 255, 0.15);
    color: var(--accent-color);
}

/* Tema claro */
[data-bs-theme="light"] body {
    background-color: var(--light-bg);
    color: #334155;
    background-image: linear-gradient(135deg, #f5f7ff 0%, #e0e7ff 100%);
}

[data-bs-theme="light"] .navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%) !important;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-bs-theme="light"] .card {
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(99, 102, 241, 0.15);
    color: #334155;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

[data-bs-theme="light"] .card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

/* Componentes comuns */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    transition: var(--transition);
    z-index: 1000;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
    background: linear-gradient(45deg, var(--accent-color), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
}

.nav-link {
    font-weight: 500;
    border-radius: var(--border-radius);
    margin: 0 0.1rem;
    transition: var(--transition);
    padding: 0.5rem 0.8rem !important;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
    transition: var(--transition);
}

.nav-link:hover::before {
    width: 100%;
}

[data-bs-theme="light"] .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
}

[data-bs-theme="light"] .nav-link:hover {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.15);
}

[data-bs-theme="dark"] .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--accent-color);
}

.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1.2rem;
    position: relative;
    overflow: hidden;
    border: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--glow);
}

.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.btn-theme {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
}

.btn-theme:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(180deg);
}

.card {
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    margin-bottom: 1.5rem;
    border: none;
}

.card-header {
    font-weight: 600;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(79, 70, 229, 0.1));
}

[data-bs-theme="dark"] .card-header {
    border-bottom: 1px solid rgba(0, 217, 255, 0.2);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(79, 70, 229, 0.1));
}

.card-body {
    padding: 1.5rem;
}

.form-control, .form-select {
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
    border-color: var(--primary-color);
}

.profile-pic {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    object-fit: cover;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: var(--shadow-sm);
}

.profile-pic:hover {
    border-color: var(--accent-color);
    transform: scale(1.1);
    box-shadow: var(--glow);
}

.profile-pic-sm {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    object-fit: cover;
}

.dropdown-menu {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: none;
    padding: 0.5rem;
    overflow: hidden;
}

.dropdown-item {
    border-radius: 8px;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.messages {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.messages li {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    font-weight: 500;
    backdrop-filter: blur(5px);
}

.messages .success {
    background-color: rgba(209, 250, 229, 0.8);
    color: #065f46;
    border-left: 4px solid #10b981;
}

[data-bs-theme="dark"] .messages .success {
    background-color: rgba(6, 78, 59, 0.8);
    color: #6ee7b7;
}

.messages .error {
    background-color: rgba(254, 226, 226, 0.8);
    color: #b91c1c;
    border-left: 4px solid #ef4444;
}

[data-bs-theme="dark"] .messages .error {
    background-color: rgba(127, 29, 29, 0.8);
    color: #fca5a5;
}

/* Estilos específicos para a página de edição de perfil */
.profile-img-container {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.profile-img-container:hover .profile-overlay {
    opacity: 1;
}

.profile-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.profile-img-preview {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.profile-img-preview:hover {
    border-color: var(--accent-color);
    box-shadow: var(--glow);
}

/* Animações */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.float {
    animation: float 5s ease-in-out infinite;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Layout melhorado */
.container {
    flex: 1;
}

footer {
    margin-top: auto;
    padding: 2rem 0;
    text-align: center;
    color: var(--secondary-color);
    font-size: 0.9rem;
    background: rgba(0, 0, 0, 0.03);
    backdrop-filter: blur(5px);
}

[data-bs-theme="dark"] footer {
    background: rgba(0, 0, 0, 0.2);
}

/* Barra de progresso para navegação */
#navigation-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
    z-index: 9999;
    transition: width 0.3s ease;
}

/* Responsividade melhorada */
@media (max-width: 768px) {
    .navbar-nav {
        padding: 0.5rem 0;
    }
    
    .nav-link {
        padding: 0.5rem 1rem !important;
    }
    
    .profile-img-preview {
        width: 120px;
        height: 120px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .navbar-brand {
        font-size: 1.5rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}