/* ==========================================================================
   Custom Guestbook - 前端样式
   共 6 套模板：
   1. 极简现代风 (Minimal)
   2. 卡片商务风 (Card Business)
   3. 弹窗浮动风 (Floating Modal)
   4. 沉浸式全宽风 (Full-width Immersive)
   5. 圆角阴影风 (Rounded Shadow)
   6. 紧凑单行风 (Compact Inline)
   ========================================================================== */

.cg-guestbook * { box-sizing: border-box; }
.cg-guestbook { --cg-primary: #2563eb; --cg-primary-dark: #1d4ed8; --cg-text: #1f2937; --cg-border: #e5e7eb; --cg-bg: #ffffff; --cg-radius: 10px; margin: 24px 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--cg-text); }

.cg-title { margin: 0 0 16px; font-size: 20px; font-weight: 700; }
.cg-required { color: #dc2626; }

.cg-field { margin-bottom: 14px; }
.cg-field label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 600; }
.cg-field input[type="text"],
.cg-field input[type="tel"],
.cg-field input[type="email"],
.cg-field textarea {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--cg-border);
	border-radius: 6px;
	font-size: 14px;
	transition: border-color .15s ease, box-shadow .15s ease;
	background: #fff;
	color: var(--cg-text);
}
.cg-field input:focus, .cg-field textarea:focus {
	outline: none;
	border-color: var(--cg-primary);
	box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.cg-field input.cg-invalid, .cg-field textarea.cg-invalid { border-color: #dc2626; }
.cg-field-error { color: #dc2626; font-size: 12px; margin-top: 4px; }

.cg-honeypot-field { position: absolute !important; left: -9999px !important; top: -9999px !important; height: 0; overflow: hidden; }

.cg-submit-btn {
	background: var(--cg-primary);
	color: #fff;
	border: none;
	padding: 11px 28px;
	border-radius: 6px;
	font-size: 15px;
	font-weight: 600;
	cursor: pointer;
	transition: background .15s ease, transform .1s ease;
}
.cg-submit-btn:hover { background: var(--cg-primary-dark); }
.cg-submit-btn:disabled { opacity: .6; cursor: not-allowed; }

.cg-message-box { padding: 12px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.cg-message-box.cg-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.cg-message-box.cg-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* -------------------------------------------------------
   模板 1：极简现代风 - 无边框、简洁、大量留白
------------------------------------------------------- */
.cg-template-1 .cg-form-wrap { max-width: 560px; margin: 0 auto; padding: 0; }
.cg-template-1 .cg-title { font-size: 24px; letter-spacing: -.5px; }
.cg-template-1 .cg-field input, .cg-template-1 .cg-field textarea {
	border: none; border-bottom: 2px solid var(--cg-border); border-radius: 0; padding-left: 2px;
}
.cg-template-1 .cg-field input:focus, .cg-template-1 .cg-field textarea:focus { box-shadow: none; border-bottom-color: var(--cg-primary); }
.cg-template-1 .cg-submit-btn { border-radius: 999px; }

/* -------------------------------------------------------
   模板 2：卡片商务风 - 白色卡片、阴影、双栏字段
------------------------------------------------------- */
.cg-template-2 .cg-form-wrap {
	max-width: 640px; margin: 0 auto; background: var(--cg-bg); border: 1px solid var(--cg-border);
	border-radius: 8px; padding: 28px; box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.cg-template-2 .cg-form { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.cg-template-2 .cg-field-message, .cg-template-2 .cg-field-captcha, .cg-template-2 .cg-field-submit, .cg-template-2 .cg-title { grid-column: 1 / -1; }
.cg-template-2 .cg-title { border-bottom: 1px solid var(--cg-border); padding-bottom: 12px; }

/* -------------------------------------------------------
   模板 3：弹窗浮动风 - 右下角浮动按钮 + 弹出遮罩表单
------------------------------------------------------- */
.cg-template-3 .cg-float-trigger {
	position: fixed; right: 24px; bottom: 24px; z-index: 9998;
	background: var(--cg-primary); color: #fff; border: none; padding: 14px 22px;
	border-radius: 999px; font-size: 15px; font-weight: 600; cursor: pointer;
	box-shadow: 0 6px 16px rgba(37,99,235,.35);
}
.cg-template-3 .cg-modal-overlay {
	position: fixed; inset: 0; background: rgba(15,23,42,.55); z-index: 9999;
	display: none; align-items: center; justify-content: center; padding: 20px;
}
.cg-template-3.cg-modal-open .cg-modal-overlay { display: flex; }
.cg-template-3 .cg-form-wrap {
	position: relative; background: #fff; border-radius: 12px; padding: 28px;
	max-width: 480px; width: 100%; max-height: 90vh; overflow-y: auto;
	box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.cg-template-3 .cg-modal-close {
	position: absolute; top: 12px; right: 14px; background: none; border: none;
	font-size: 24px; line-height: 1; cursor: pointer; color: #6b7280;
}

/* -------------------------------------------------------
   模板 4：沉浸式全宽风 - 全宽背景色块，居中大号表单
------------------------------------------------------- */
.cg-template-4 { background: linear-gradient(135deg,#0f172a,#1e3a8a); padding: 48px 20px; border-radius: 12px; }
.cg-template-4 .cg-form-wrap { max-width: 640px; margin: 0 auto; }
.cg-template-4 .cg-title { color: #fff; font-size: 28px; text-align: center; }
.cg-template-4 .cg-field label { color: #e5e7eb; }
.cg-template-4 .cg-field input, .cg-template-4 .cg-field textarea { background: rgba(255,255,255,.95); border: none; }
.cg-template-4 .cg-field-submit { text-align: center; }
.cg-template-4 .cg-submit-btn { background: #fff; color: #1e3a8a; padding: 12px 36px; }
.cg-template-4 .cg-submit-btn:hover { background: #e5e7eb; }

/* -------------------------------------------------------
   模板 5：圆角阴影风 - 大圆角、柔和阴影、渐变按钮
------------------------------------------------------- */
.cg-template-5 .cg-form-wrap {
	max-width: 560px; margin: 0 auto; background: #fff; border-radius: 24px;
	padding: 32px; box-shadow: 0 10px 40px rgba(0,0,0,.1);
}
.cg-template-5 .cg-field input, .cg-template-5 .cg-field textarea { border-radius: 14px; padding: 12px 16px; }
.cg-template-5 .cg-submit-btn {
	border-radius: 14px; width: 100%; padding: 14px;
	background: linear-gradient(135deg, var(--cg-primary), #7c3aed);
}
.cg-template-5 .cg-submit-btn:hover { background: linear-gradient(135deg, #7c3aed, var(--cg-primary)); }

/* -------------------------------------------------------
   模板 6：紧凑单行风 - 横向紧凑排列，适合页脚/侧边栏
------------------------------------------------------- */
.cg-template-6 .cg-form-wrap { max-width: 100%; }
.cg-template-6 .cg-title { font-size: 16px; margin-bottom: 10px; }
.cg-template-6 .cg-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-start; }
.cg-template-6 .cg-field { margin-bottom: 0; flex: 1 1 140px; }
.cg-template-6 .cg-field-message { flex: 2 1 220px; }
.cg-template-6 .cg-field label { display: none; }
.cg-template-6 .cg-field input, .cg-template-6 .cg-field textarea { padding: 8px 10px; font-size: 13px; }
.cg-template-6 .cg-field textarea { min-height: 38px; height: 38px; resize: vertical; }
.cg-template-6 .cg-field-captcha { flex: 0 1 130px; }
.cg-template-6 .cg-field-captcha label { display: block; font-size: 12px; white-space: nowrap; }
.cg-template-6 .cg-submit-btn { padding: 9px 18px; font-size: 13px; }

/* 响应式 */
@media (max-width: 640px) {
	.cg-template-2 .cg-form { grid-template-columns: 1fr; }
	.cg-template-6 .cg-form { flex-direction: column; }
	.cg-template-6 .cg-field { flex: 1 1 100%; }
	.cg-template-6 .cg-field label { display: block; }
}