/**
 * EduManage ERP — Phase 3 Design System
 *
 * Shared design tokens (colors, spacing, shadows, radius) and base
 * component classes used by BOTH the login screen and the dashboard
 * shell. Keeping this in one file means every future phase's screens
 * (students, fees, exams, etc.) can reuse the same `.edu-card`,
 * `.edu-btn`, `.edu-badge` classes and stay visually consistent
 * without redefining them.
 *
 * Visual direction follows the "Image 2" reference: premium SaaS
 * dashboard, blue/indigo/purple palette, white cards, rounded
 * corners, soft shadows.
 */

:root {
	/* Brand gradient */
	--edu-primary: #4f46e5;      /* indigo-600 */
	--edu-primary-dark: #4338ca; /* indigo-700 */
	--edu-primary-light: #eef2ff;/* indigo-50 */
	--edu-accent: #7c3aed;       /* purple-600 */
	--edu-blue: #2563eb;         /* blue-600 */

	/* Status colors */
	--edu-success: #16a34a;
	--edu-success-bg: #ecfdf3;
	--edu-warning: #d97706;
	--edu-warning-bg: #fffbeb;
	--edu-danger: #dc2626;
	--edu-danger-bg: #fef2f2;
	--edu-info: #0284c7;
	--edu-info-bg: #f0f9ff;

	/* Neutrals */
	--edu-bg: #f5f6fb;
	--edu-surface: #ffffff;
	--edu-border: #e5e7eb;
	--edu-text: #111827;
	--edu-text-muted: #6b7280;
	--edu-text-faint: #9ca3af;

	/* Shape */
	--edu-radius-sm: 8px;
	--edu-radius: 14px;
	--edu-radius-lg: 20px;
	--edu-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
	--edu-shadow: 0 4px 16px rgba(16, 24, 40, 0.08);
	--edu-shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.12);

	/* Layout */
	--edu-sidebar-width: 260px;
	--edu-topbar-height: 68px;
}

.edu-reset, .edu-reset * {
	box-sizing: border-box;
}

.edu-reset {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--edu-text);
	-webkit-font-smoothing: antialiased;
}

.edu-reset a {
	text-decoration: none;
	color: inherit;
}

/* Gradient brand background, used behind the login card and topbar accents */
.edu-gradient-bg {
	background: linear-gradient(135deg, var(--edu-primary) 0%, var(--edu-accent) 100%);
}

.edu-gradient-text {
	background: linear-gradient(135deg, var(--edu-primary) 0%, var(--edu-accent) 100%);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

/* Card */
.edu-card {
	background: var(--edu-surface);
	border-radius: var(--edu-radius);
	box-shadow: var(--edu-shadow-sm);
	border: 1px solid var(--edu-border);
	padding: 20px;
}

.edu-card-lg {
	border-radius: var(--edu-radius-lg);
	box-shadow: var(--edu-shadow);
	padding: 28px;
}

/* Buttons */
.edu-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	font-size: 14px;
	font-weight: 600;
	padding: 11px 20px;
	border-radius: var(--edu-radius-sm);
	border: none;
	cursor: pointer;
	transition: background 0.15s ease, transform 0.05s ease;
	line-height: 1.2;
}

.edu-btn:active {
	transform: translateY(1px);
}

.edu-btn-primary {
	background: var(--edu-primary);
	color: #fff;
}

.edu-btn-primary:hover {
	background: var(--edu-primary-dark);
}

.edu-btn-block {
	width: 100%;
}

.edu-btn-ghost {
	background: transparent;
	color: var(--edu-text-muted);
	border: 1px solid var(--edu-border);
}

.edu-btn-ghost:hover {
	background: var(--edu-bg);
}

/* Badges */
.edu-badge {
	display: inline-block;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.03em;
	padding: 3px 9px;
	border-radius: 999px;
}

.edu-badge-success { background: var(--edu-success-bg); color: var(--edu-success); }
.edu-badge-warning { background: var(--edu-warning-bg); color: var(--edu-warning); }
.edu-badge-danger  { background: var(--edu-danger-bg);  color: var(--edu-danger); }
.edu-badge-info    { background: var(--edu-info-bg);    color: var(--edu-info); }
.edu-badge-muted   { background: var(--edu-bg); color: var(--edu-text-muted); }

/* Form fields (shared by login + future module forms) */
.edu-field {
	margin-bottom: 16px;
}

.edu-field label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	color: var(--edu-text);
	margin-bottom: 6px;
}

.edu-input-wrap {
	position: relative;
}

.edu-input,
.edu-reset input[type="text"],
.edu-reset input[type="email"],
.edu-reset input[type="password"],
.edu-reset input[type="search"],
.edu-reset select,
.edu-reset textarea {
	width: 100%;
	padding: 11px 14px;
	font-size: 14px;
	border: 1px solid var(--edu-border);
	border-radius: var(--edu-radius-sm);
	background: #fff;
	color: var(--edu-text);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.edu-reset input:focus,
.edu-reset select:focus,
.edu-reset textarea:focus {
	outline: none;
	border-color: var(--edu-primary);
	box-shadow: 0 0 0 3px var(--edu-primary-light);
}

.edu-input-icon {
	position: absolute;
	left: 14px;
	top: 50%;
	transform: translateY(-50%);
	color: var(--edu-text-faint);
	display: flex;
}

.edu-input-icon + input {
	padding-left: 40px;
}

.edu-password-toggle {
	position: absolute;
	right: 12px;
	top: 50%;
	transform: translateY(-50%);
	background: none;
	border: none;
	cursor: pointer;
	color: var(--edu-text-faint);
	padding: 4px;
	display: flex;
}

.edu-password-toggle:hover {
	color: var(--edu-text-muted);
}

/* Utility */
.edu-text-muted { color: var(--edu-text-muted); }
.edu-text-sm { font-size: 13px; }
.edu-flex { display: flex; align-items: center; }
.edu-flex-between { display: flex; align-items: center; justify-content: space-between; }
.edu-gap-8 { gap: 8px; }
.edu-gap-12 { gap: 12px; }
.edu-mt-8 { margin-top: 8px; }
.edu-mt-16 { margin-top: 16px; }
.edu-mt-24 { margin-top: 24px; }