/* ===================================
   Sistema de Gerenciamento de Eventos
   Estilo Global
   =================================== */

:root {
    /* Cores Primárias */
    --color-black: #000000;
    --color-dark-gray: #1a1a1a;
    --color-gold: #ffd700;
    --color-orange: #ffa500;
    --color-white: #ffffff;

    /* Cores de Status */
    --color-error: #ff4444;
    --color-success: #00C851;
    --color-warning: #ffbb33;
    --color-info: #33b5e5;

    /* Gradientes */
    --gradient-gold: linear-gradient(135deg, var(--color-gold) 0%, var(--color-orange) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-dark-gray) 0%, var(--color-black) 100%);

    /* Sombras */
    --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
    --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 8px 30px rgba(255, 215, 0, 0.4);

    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container Principal */
.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
}

/* Header com Gradiente */
.auth-header {
    background: var(--gradient-gold);
    padding: 40px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.auth-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="rgba(255,255,255,0.1)" x="0" y="0" width="50" height="50"/><rect fill="rgba(255,255,255,0.1)" x="50" y="50" width="50" height="50"/></svg>');
    background-size: 20px 20px;
    opacity: 0.3;
}

.logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    position: relative;
    z-index: 1;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.auth-header h1 {
    color: var(--color-black);
    font-size: 28px;
    font-weight: 700;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Abas de Navegação */
.tabs {
    display: flex;
    background: var(--color-black);
    border-bottom: 2px solid var(--color-gold);
}

.tab {
    flex: 1;
    padding: 15px;
    text-align: center;
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
}

.tab:hover {
    background: var(--color-dark-gray);
}

.tab.active {
    background: var(--color-dark-gray);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-gold);
}

/* Container de Conteúdo */
.tab-content {
    background: var(--color-dark-gray);
    padding: 30px;
    min-height: 400px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* Formulários */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-white);
    font-weight: 500;
    font-size: 14px;
}

.form-group label .required {
    color: var(--color-error);
    margin-left: 3px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: var(--color-black);
    border: 1px solid #333;
    border-radius: 4px;
    color: var(--color-white);
    font-size: 15px;
    transition: var(--transition-normal);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.form-control::placeholder {
    color: #666;
}

.form-control.error {
    border-color: var(--color-error);
}

/* Upload de Foto */
.photo-upload {
    text-align: center;
    padding: 30px;
    border: 2px dashed #333;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--color-black);
}

.photo-upload:hover {
    border-color: var(--color-gold);
    background: rgba(255, 215, 0, 0.05);
}

.photo-upload.has-file {
    border-color: var(--color-gold);
    border-style: solid;
}

.photo-preview {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 15px;
    overflow: hidden;
    border: 3px solid var(--color-gold);
    display: none;
}

.photo-preview.show {
    display: block;
}

.photo-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upload-icon {
    font-size: 48px;
    color: var(--color-gold);
    margin-bottom: 10px;
}

.upload-text {
    color: #999;
    font-size: 14px;
}

#photo {
    display: none;
}

/* Checkbox e Remember */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 15px 0;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-gold);
}

.form-check label {
    margin: 0;
    cursor: pointer;
    font-weight: normal;
    font-size: 14px;
}

/* Botões */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--color-black);
    box-shadow: var(--shadow-gold);
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: transparent;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
}

.btn-secondary:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

/* Links */
.text-link {
    color: var(--color-gold);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-fast);
}

.text-link:hover {
    text-decoration: underline;
    color: var(--color-orange);
}

.text-center {
    text-align: center;
}

.mt-15 {
    margin-top: 15px;
}

.mt-20 {
    margin-top: 20px;
}

/* Alerts */
.alert {
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-success {
    background: rgba(0, 200, 81, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.alert-warning {
    background: rgba(255, 187, 51, 0.1);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
}

.alert-info {
    background: rgba(51, 181, 229, 0.1);
    border: 1px solid var(--color-info);
    color: var(--color-info);
}

/* Error Messages */
.error-message {
    color: var(--color-error);
    font-size: 13px;
    margin-top: 5px;
    display: block;
}

/* Footer */
.auth-footer {
    background: var(--color-dark-gray);
    padding: 20px;
    text-align: center;
    color: #999;
    font-size: 13px;
    border-top: 1px solid #333;
}

.auth-footer a {
    color: var(--color-gold);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Grid para Formulários */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-black);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-left: 10px;
}

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

/* Responsivo */
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }

    .tab-content {
        padding: 20px 15px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .auth-header h1 {
        font-size: 24px;
    }
}

/* Scrollbar Customizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-black);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gold);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-orange);
}