.signin-shell { max-width: 620px; margin: 0 auto; padding: 24px 16px; color: #302724; }
.signin-card { background: #fff; border: 1px solid #dedede; border-radius: 16px; box-shadow: 0 18px 45px rgba(23, 15, 14, 0.08); }
.signin-form-panel { padding: 24px; }
.signin-form-panel h1 { font-size: 26px; text-align: center; margin: 0 0 12px; }
.signin-intro { text-align: center; color: #6b6b6b; font-size: 14px; margin-bottom: 24px; }
.signin-field { margin-bottom: 20px; }
.signin-field > label { display: block; font-size: 14px; margin-bottom: 8px; }
.signin-input-wrap { display: flex; align-items: center; gap: 10px; padding: 0 12px; border: 1px solid #ced4da; border-radius: 10px; background: #fff; }
.signin-input-wrap > i { color: #777; }
.signin-input-wrap input { width: 100%; min-width: 0; height: 46px; border: 0; background: transparent; font: inherit; font-size: 14px; color: #302724; }
.signin-input-wrap:focus-within { border-color: #e75d39; box-shadow: 0 0 0 3px rgba(231, 93, 57, 0.12); }
.signin-input-wrap input:focus { outline: none; }
.signin-input-wrap button { flex-shrink: 0; border: 0; background: transparent; color: #666; width: 36px; height: 44px; padding: 0; }
.signin-remember { display: flex; align-items: center; gap: 8px; font-size: 14px; margin-bottom: 20px; }
.signin-remember input { accent-color: #e75d39; width: 16px; height: 16px; }
.signin-submit { width: 100%; border: 1px solid #e75d39; border-radius: 10px; padding: 12px 20px; background: #e75d39; color: #fff; font: inherit; cursor: pointer; }
.signin-submit > i { display: none; }
.signin-submit:hover { background: #d45130; border-color: #d45130; }
.signin-social { display: grid; gap: 12px; margin-top: 24px; }
.signin-social-divider { position: relative; display: flex; align-items: center; justify-content: center; margin: 6px 0; }
.signin-social-divider::before { content: ""; position: absolute; inset: 50% 0 auto 0; height: 1px; background: #ece8e6; }
.signin-social-divider span { position: relative; z-index: 1; padding: 0 12px; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: #7a726f; background: #fff; }
.social-login-btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 48px; border-radius: 999px; text-decoration: none; font-weight: 600; font-size: 15px; transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease; }
.social-login-btn:hover { text-decoration: none; transform: translateY(-1px); }
.social-icon { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; flex-shrink: 0; }
.social-icon svg { display: block; width: 22px; height: 22px; }
.google-btn { border: 1px solid #dfe3e8; background: #fff; color: #1f2937; box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04); }
.google-btn:hover { border-color: #d0d7de; box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08); }
.google-btn .social-icon { width: 20px; height: 20px; }
.google-btn .social-icon svg { width: 20px; height: 20px; }
.facebook-btn { border: 1px solid #1877f2; background: #1877f2; color: #fff; box-shadow: 0 10px 20px rgba(24, 119, 242, 0.25); }
.facebook-btn:hover { background: #166fe5; border-color: #166fe5; box-shadow: 0 12px 24px rgba(24, 119, 242, 0.32); }
.facebook-btn .social-icon { width: 18px; height: 18px; }
.facebook-btn .social-icon svg { width: 18px; height: 18px; }
.signin-register { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 22px; font-size: 14px; }
.signin-register a { color: #b94022; text-decoration: none; }
.signin-register a:hover { text-decoration: underline; }
.signin-register i { display: none; }
.signin-error { color: #b42318; font-size: 13px; margin: 6px 0 0; }
.signin-message { color: #b42318; background: #fff2f0; border-radius: 4px; padding: 10px; font-size: 14px; }
.signin-shell :is(button, a):focus-visible { outline: 2px solid #b94022; outline-offset: 3px; }
@media (max-width: 575.98px) { .signin-form-panel { padding: 20px 16px; } }