/* ========================================
   Formulário Starvision - Missão Código China
   Paleta de Cores Starvision
   ======================================== */

:root {
    /* Cores Starvision */
    --starvision-red: #A71D2A;
    --white-text: #F1F1F1;
    --black-bg: #0E000A;
    --gray-medium: #CCCCCC;
    --gray-light: #EAEAEA;
    --gold-yellow: #FFC72C;

    /* Sombras e Efeitos */
    --shadow-soft: 0 4px 20px rgba(167, 29, 42, 0.15);
    --shadow-strong: 0 8px 40px rgba(167, 29, 42, 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--black-bg);
    color: var(--white-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.form-page {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.form-container {
    background: transparent;
    border-radius: 0;
}

/* ========================================
   HEADER
   ======================================== */
.form-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 0 20px;
}

.form-title {
    font-family: 'Poppins', 'Open Sans', sans-serif;
    font-weight: 200;
    font-size: 32px;
    color: var(--white-text);
    margin-bottom: 16px;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.form-subtitle {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    color: var(--gray-medium);
    font-weight: 300;
}

/* ========================================
   FORM CONTENT
   ======================================== */
.form-content {
    background: var(--starvision-red);
    border-radius: 8px;
    padding: 40px;
    box-shadow: var(--shadow-strong);
    border: 1px solid rgba(255, 199, 44, 0.1);
}

.starvision-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* ========================================
   FORM FIELDS
   ======================================== */
.form-field {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-label {
    display: block;
}

.label-text {
    font-size: 16px;
    font-weight: 400;
    color: var(--white-text);
    display: block;
    line-height: 1.4;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    font-family: 'Open Sans', sans-serif;
    color: var(--black-bg);
    background: var(--white-text);
    border: 2px solid transparent;
    border-radius: 6px;
    outline: none;
    transition: var(--transition);
}

.form-input::placeholder {
    color: var(--gray-medium);
    opacity: 0.7;
}

.form-input:focus {
    border-color: var(--gold-yellow);
    box-shadow: 0 0 0 3px rgba(255, 199, 44, 0.2);
    transform: translateY(-1px);
}

.form-input:hover:not(:focus) {
    border-color: rgba(255, 199, 44, 0.3);
}

.form-input:invalid:not(:placeholder-shown) {
    border-color: #ff6b6b;
}

.form-input:valid:not(:placeholder-shown) {
    border-color: #51cf66;
}

/* ========================================
   SUBMIT BUTTON
   ======================================== */
.form-submit-btn {
    width: 100%;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    font-family: 'Open Sans', sans-serif;
    color: var(--starvision-red);
    background: var(--white-text);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.form-submit-btn:hover {
    background: var(--gold-yellow);
    color: var(--black-bg);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 199, 44, 0.4);
}

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

.form-submit-btn:disabled {
    background: var(--gray-medium);
    color: var(--gray-light);
    cursor: not-allowed;
    transform: none;
}

.btn-text {
    display: inline-block;
}

.btn-loader {
    display: none;
    align-items: center;
    gap: 8px;
}

.form-submit-btn.loading .btn-text {
    display: none;
}

.form-submit-btn.loading .btn-loader {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Spinner Animation */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--gray-medium);
    border-top-color: var(--starvision-red);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ========================================
   MESSAGES
   ======================================== */
.form-message {
    padding: 16px 20px;
    border-radius: 6px;
    display: none;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    line-height: 1.4;
    margin-top: 10px;
}

.form-message svg {
    flex-shrink: 0;
}

.success-message {
    background: rgba(81, 207, 102, 0.15);
    border: 1px solid rgba(81, 207, 102, 0.3);
    color: #51cf66;
}

.error-message {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: #ff6b6b;
}

.form-message.show {
    display: flex;
    animation: slideIn 0.3s ease-out;
}

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

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

/* ========================================
   FOOTER
   ======================================== */
.form-footer {
    text-align: center;
    margin-top: 30px;
    padding: 0 20px;
    font-size: 14px;
    color: var(--gray-medium);
}

.highlight {
    color: var(--gold-yellow);
    font-weight: 600;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .form-title {
        font-size: 26px;
    }

    .form-subtitle {
        font-size: 14px;
    }

    .form-content {
        padding: 30px 24px;
    }

    .starvision-form {
        gap: 24px;
    }

    .label-text {
        font-size: 15px;
    }

    .form-input {
        padding: 12px 16px;
        font-size: 14px;
    }

    .form-submit-btn {
        padding: 14px 28px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 15px;
    }

    .form-title {
        font-size: 22px;
    }

    .form-content {
        padding: 24px 20px;
    }

    .starvision-form {
        gap: 20px;
    }
}