/* assets/css/style.css */

:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4895ef;
    --light-bg: #f8f9fa;
    --text-color: #2b2d42;
    --border-radius: 12px;
}

body {
    background-color: var(--light-bg);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
}

/* --- Modern Navbar --- */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.navbar-brand {
    font-weight: 800;
    color: var(--primary-color) !important;
    letter-spacing: -0.5px;
}
.nav-link {
    font-weight: 500;
    color: #555 !important;
}
.nav-link:hover {
    color: var(--primary-color) !important;
}

/* --- Modern Cards --- */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    background: #fff;
    overflow: hidden;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}
.card-header {
    background-color: #fff;
    border-bottom: 1px solid #f0f0f0;
    font-weight: 700;
    padding: 1.5rem;
}

/* --- Controls & Inputs --- */
.form-control, .form-select {
    border-radius: 8px;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    background-color: #fcfcfc;
    transition: all 0.2s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.15);
    background-color: #fff;
}
.btn {
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.2s;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}
.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
    transform: translateY(-2px);
}

/* --- Login Page Specifics --- */
.login-container {
    min-height: 100vh;
    display: flex;
}
.login-sidebar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem;
    position: relative;
    overflow: hidden;
}
/* สร้างลวดลายพื้นหลังจางๆ */
.login-sidebar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: rotate 60s linear infinite;
}
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.login-form-section {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
}

/* --- Voting Page: Stepper --- */
.step-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}
.step-indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: #e0e0e0;
    z-index: 0;
}
.step-item {
    position: relative;
    z-index: 1;
    background: #fff;
    padding: 0 10px;
    text-align: center;
    color: #aaa;
    font-weight: 500;
}
.step-circle {
    width: 40px;
    height: 40px;
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-weight: bold;
    transition: all 0.3s;
}
.step-item.active .step-circle {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 0 5px rgba(67, 97, 238, 0.15);
}
.step-item.active { color: var(--primary-color); }
.step-item.completed .step-circle {
    background: #198754; /* Green */
    border-color: #198754;
    color: white;
}

/* --- Selection Items --- */
.selectable-card {
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}
.selectable-card:hover {
    background-color: #f8f9fa;
    border-color: #dee2e6;
}
.selectable-card.selected {
    border-color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.05);
}
.selectable-card .form-check-input {
    transform: scale(1.3);
}