/* ============================================
   Login Administrador - JM Talent Group / Academia TKD
   ============================================ */

:root{
	--tkd-gold: #c9a227;
	--tkd-gold-dark: #a5811c;
	--tkd-dark: #14161a;
	--tkd-dark-2: #1c1f26;
}

html, body{
	height: 100%;
}

body {
	margin: 0;
	min-height: 100vh;
	background: #0b0d10 url(../images/t_fondo_front.jpg) no-repeat center center;
	background-size: cover;
	background-attachment: fixed;
	font-family: 'Helvetica Neue', Arial, sans-serif;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 24px 16px;
	box-sizing: border-box;
}

/* Overlay más oscuro que el del login de estudiante: refuerza el tono "acceso restringido" */
body::before{
	content: "";
	position: fixed;
	inset: 0;
	background: linear-gradient(180deg, rgba(6,7,9,.9) 0%, rgba(10,11,14,.82) 45%, rgba(6,7,9,.94) 100%);
	z-index: 0;
}

.login-form{
	position: relative;
	z-index: 1;
	margin: 0 auto;
	width: 100%;
	max-width: 400px;
	animation: tkd-fade-up .5s ease-out;
}

@keyframes tkd-fade-up{
	from{ opacity: 0; transform: translateY(16px); }
	to{ opacity: 1; transform: translateY(0); }
}

.form-header,
.form-footer,
.form-signin,
.form-register{
	background-color: var(--tkd-dark-2);
	border: none;
}

.form-header{
	text-align: center;
	padding: 32px 32px 16px;
	border-radius: 16px 16px 0 0;
	position: relative;
}

.form-header::after{
	content: "";
	display: block;
	width: 56px;
	height: 4px;
	margin: 18px auto 0;
	background: var(--tkd-gold);
	border-radius: 4px;
}

.admin-badge{
	width: 84px;
	height: 84px;
	margin: 0 auto;
	border-radius: 50%;
	background: linear-gradient(145deg, #23262e, #14161a);
	border: 2px solid var(--tkd-gold);
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 6px 18px rgba(0,0,0,.4);
}

.admin-badge i{
	font-size: 34px;
	color: var(--tkd-gold);
	margin: 0;
}

.form-header h4{
	margin: 16px 0 0;
	font-weight: 700;
	letter-spacing: .5px;
	color: #f4f4f4;
}

.form-header small{
	color: #9aa0a8 !important;
}

.form-signin,
.form-register{
	padding: 24px 32px 8px;
	border-bottom: 0;
	border-top: 0;
}

.form-footer {
	padding: 16px 32px 26px;
	border-radius: 0 0 16px 16px;
	box-shadow: 0 18px 45px rgba(0,0,0,.5);
}

.bt-login{
	background-color: var(--tkd-gold);
	color: var(--tkd-dark);
	border: none;
	padding-bottom: 12px;
	padding-top: 12px;
	font-weight: 700;
	letter-spacing: .3px;
	text-transform: uppercase;
	border-radius: 6px;
	transition: background-color 200ms linear, transform 150ms ease;
}
.bt-login:hover,
.bt-login:focus{
	background-color: var(--tkd-gold-dark);
	color: var(--tkd-dark);
	transform: translateY(-1px);
}

.form-signin .form-control,
.form-register .form-control{
	position: relative;
	height: auto;
	box-sizing: border-box;
	padding: 12px 14px;
	font-size: 16px;
	border-radius: 6px;
	border: 1px solid #3a3f4a;
	background-color: #23262e;
	color: #f4f4f4;
	transition: border-color 150ms ease, box-shadow 150ms ease;
}
.form-signin .form-control::placeholder{
	color: #6b7178;
}
.form-signin .form-control:focus,
.form-register .form-control:focus{
	z-index: 2;
	border-color: var(--tkd-gold);
	box-shadow: 0 0 0 3px rgba(201, 162, 39, .18);
	outline: none;
	background-color: #23262e;
	color: #f4f4f4;
}

.form-group label{
	font-weight: 600;
	color: #c7ccd1;
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: .3px;
}

.form-signin input[type="password"] {
	margin-bottom: 20px;
}

i{ margin-right: 4%; }
a{ text-decoration: none; color:#c7ccd1; transition: color 150ms ease; }
a:hover{ color: var(--tkd-gold); }

.has-error{ color:#ff6b6b !important; }
.has-success{ color:#78b310 !important; }
.has-error input{ border:1px solid #ff6b6b !important; box-shadow: 0 0 0 3px rgba(255,107,107,.15) !important; }
.has-success input{ border:1px solid #78b310 !important; }

.message_success{ background-color: #78b310; color:#fff; padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.message_error{ background-color: #e74c3c; color:#fff; padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }

.form-footer .row .col-xs-12,
.form-footer .row .col-xs-6{
	padding-top: 10px;
}
.form-footer .row{
	border-top: 1px solid #2c2f36;
	margin-top: 6px;
}
.form-footer .row .col-xs-6:first-child{
	border-right: 1px solid #2c2f36;
}

.back-to-student{
	text-align: center;
	margin-top: 18px;
}
.back-to-student a{
	color: #9aa0a8;
	font-size: 13px;
}
.back-to-student a:hover{ color: var(--tkd-gold); }

@media (max-width: 480px){
	.form-header{ padding: 26px 20px 12px; }
	.form-signin,
	.form-register{ padding: 20px 20px 6px; }
	.form-footer{ padding: 14px 20px 22px; }
}