/* static/css/style.css */

/* Importando fontes do Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');

/* Reset básico para garantir consistência entre navegadores */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Definindo tamanho base para escala proporcional */
html {
    font-size: 14px; /* Alterar este valor altera a escala dos elementos em rem */
}

/* Variáveis de Tema para facilitar a personalização */
:root {
    --color-background: #121212;
    --color-card-background: #1c1c1c;
    --color-text: #d1d5db;
    --color-primary: #a9eba9;
    --color-secondary: #00ff66;
    --color-border: #2d2d2d;
    --color-hover: #2a2a2a;
    --color-shadow: rgba(0, 0, 0, 0.4);
    --color-success: #00ff66;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #a9eba9;
    --sub-branch-bg-dark: #444444;
    --sub-branch-text-dark: #f0f0f0;
    --sub-branch-hover-bg-dark: #555555;
    --sub-branch-hover-text-dark: #ffffff;
    --font-family: 'Roboto', sans-serif;
    --transition-speed: 0.3s;
}

/* Estilos Gerais do Corpo */
body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: none; /* Tema fixo */
}

/* Container Principal */
.container {
    width: 48%;
    max-width: 37.5rem; /* 600px */
    margin: 3.5rem auto;
    padding: 1.1rem 2.5rem;
    background-color: var(--color-card-background);
    border: 0.07rem solid var(--color-border);
    border-radius: 1.1rem;
    box-shadow: 0 0.2857rem 0.571rem var(--color-shadow);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0.2857rem; /* 4px / 14 */
    background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.container:hover::before {
    opacity: 1;
}

.container:hover {
    transform: translateY(-0.357rem); /* ~5px / 14 */
    box-shadow: 0 0.714rem 1.43rem var(--color-shadow),
                0 0.143rem 0.429rem rgba(0, 255, 102, 0.2);
}

/* Títulos */
h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1.79rem; /* 25px / 14 */
    color: var(--color-primary);
}

/* Área de Upload */
.upload-area {
    border: 0.125rem dashed var(--color-border);
    border-radius: 0.625rem;
    padding: 1rem 0.5rem;
    text-align: center;
    cursor: pointer;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
    background-color: #252525;
    position: relative;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0.1429rem; /* 2px / 14 */
    background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.upload-area:hover::before,
.upload-area.dragover::before {
    opacity: 1;
}

.upload-area.dragover {
    background-color: var(--color-hover);
    border-color: var(--color-secondary);
}

.upload-area i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 0.7rem;
}

.upload-area p {
    font-size: 1.1rem;
    color: var(--color-text);
}

.file-name {
    display: block;
    margin-top: 0.714rem; /* 10px / 14 */
    font-size: 0.95rem;
    color: var(--color-success);
    word-wrap: break-word;
}

/* Botão de Envio */
.submit-button {
    background-color: var(--color-secondary);
    color: #000;
    border: none;
    padding: 0.8rem 1.3rem;
    border-radius: 0.571rem;
    cursor: pointer;
    font-size: 1.05rem;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    display: flex;
    align-items: center;
    margin-top: 1.1rem;
    width: 100%;
    justify-content: center;
}

.submit-button:hover {
    background-color: #1b5903;
    transform: scale(1.02);
}

/* Botão de Alternância de Tema */
.theme-toggle {
    position: fixed;
    top: 1.43rem; /* 20px / 14 */
    right: 1.43rem; /* 20px / 14 */
    background-color: var(--color-secondary);
    color: #000;
    border: none;
    padding: 0.857rem 1.285rem; /* 12px e 18px / 14 */
    border-radius: 50px; /* Pode permanecer em px se preferir */
    cursor: pointer;
    font-size: 0.95rem;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    box-shadow: 0 0.2857rem 0.571rem var(--color-shadow);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.theme-toggle:hover {
    background-color: #1b5903;
    transform: scale(1.05);
}

/* Spinner de Carregamento */
/* Neste caso, mantive os valores em pixels para que sua ferramenta padrão não altere o tamanho */
#loading-spinner {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    color: var(--color-text);
    font-size: 1.2rem;
}

.spinner-border {
    width: 60px;
    height: 60px;
    border: 6px solid var(--color-border);
    border-top-color: var(--color-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Mensagens de Alerta (Flash Messages) */
.flash-message {
    position: fixed;
    top: 1.43rem; /* 20px / 14 */
    right: 1.43rem; /* 20px / 14 */
    background-color: var(--color-secondary);
    color: #000;
    padding: 0.857rem 1.285rem;
    border-radius: 0.375rem;
    box-shadow: 0 0.2857rem 0.571rem var(--color-shadow);
    display: flex;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    animation: fadeInOut 3s forwards;
    min-width: 15.625rem; /* 250px */
}

.flash-message.error {
    background-color: var(--color-error);
    color: #fff;
}

.flash-message.success {
    background-color: var(--color-secondary);
    color: #000;
}

.flash-message.warning {
    background-color: var(--color-warning);
    color: #000;
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { opacity: 0; }
}

/* Responsividade */
@media (max-width: 600px) {
    .container {
        width: 98%;
        max-width: 100vw;
        padding: 0.4rem 0.1rem;
        border-radius: 0.7rem;
    }
    h1 {
        font-size: 1.1rem;
        margin-bottom: 0.7rem;
    }
    .upload-area {
        padding: 0.5rem 0.1rem;
    }
    .upload-area i {
        font-size: 1.1rem;
    }
    .upload-area p {
        font-size: 0.9rem;
    }
    .file-name {
        font-size: 0.8rem;
    }
    .submit-button {
        font-size: 0.9rem;
        padding: 0.4rem 0.3rem;
        border-radius: 0.4rem;
    }
}

/* Classes Utilitárias */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mb-0 {
    margin-bottom: 0;
}