/* ============================================
   BANCO TON - Design Minimalista Profissional
   ============================================ */

:root {
    --ton-green: #6EFA01;
    --ton-green-dark: #5DD001;
    --ton-green-hover: #7FFF1F;
    --white: #FFFFFF;
    --black: #000000;
    --gray-light: #F5F5F5;
    --gray-medium: #CCCCCC;
    --gray-dark: #666666;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--white);
    color: var(--black);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   ESTRUTURA DE TELAS
   ============================================ */

.screen {
    display: none;
    width: 100%;
    min-height: 100vh;
    padding: 20px;
    animation: fadeIn 0.4s ease-in-out;
}

.screen.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.container {
    width: 100%;
    max-width: 400px;
    padding: 40px 24px;
    text-align: center;
}

/* ============================================
   TELA INICIAL
   ============================================ */

.logo {
    font-size: 48px;
    font-weight: 700;
    color: var(--ton-green);
    margin-bottom: 60px;
    letter-spacing: -1px;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 40px;
}

/* ============================================
   BOTÕES
   ============================================ */

.btn-primary {
    width: 100%;
    padding: 16px 24px;
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
    background-color: var(--ton-green);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: none;
    letter-spacing: 0.5px;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--ton-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(110, 250, 1, 0.3);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(110, 250, 1, 0.2);
}

.btn-primary:disabled {
    background-color: var(--gray-medium);
    cursor: not-allowed;
    opacity: 0.5;
}

.btn-back {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border: none;
    cursor: pointer;
    color: var(--black);
    transition: all 0.2s ease;
    border-radius: 50%;
}

.btn-back:hover {
    background-color: var(--gray-light);
}

.btn-back:active {
    transform: scale(0.95);
}

/* ============================================
   TELA DE SENHA
   ============================================ */

.title {
    font-size: 28px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
    margin-top: 40px;
}

.subtitle {
    font-size: 16px;
    color: var(--gray-dark);
    margin-bottom: 40px;
}

.senha-container {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: nowrap;
}

.senha-input {
    width: 56px;
    height: 64px;
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--gray-medium);
    border-radius: 8px;
    background-color: var(--white);
    color: var(--black);
    transition: all 0.2s ease;
    outline: none;
}

.senha-input:focus {
    border-color: var(--ton-green);
    box-shadow: 0 0 0 3px rgba(110, 250, 1, 0.1);
}

.senha-input.filled {
    border-color: var(--ton-green);
    background-color: var(--gray-light);
}

/* ============================================
   TELA DE CONFIRMAÇÃO
   ============================================ */

.success-icon {
    margin: 0 auto 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0.5);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.message {
    font-size: 18px;
    color: var(--gray-dark);
    line-height: 1.6;
    margin-top: 16px;
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

@media (max-width: 480px) {
    .logo {
        font-size: 40px;
        margin-bottom: 50px;
    }
    
    .title {
        font-size: 24px;
    }
    
    .senha-container {
        gap: 8px;
    }
    
    .senha-input {
        width: 48px;
        height: 56px;
        font-size: 24px;
    }
    
    .btn-primary {
        font-size: 16px;
        padding: 14px 20px;
    }
    
    .container {
        padding: 24px 16px;
    }
}

@media (max-width: 360px) {
    .senha-container {
        gap: 6px;
    }
    
    .senha-input {
        width: 44px;
        height: 52px;
        font-size: 22px;
    }
}

/* ============================================
   ACESSIBILIDADE
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visível para navegação por teclado */
button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--ton-green);
    outline-offset: 2px;
}