:root {
    /* لون الماتريال الأخضر الأساسي للزر */
    --md-primary-green: #16a34a;         
    /* درجة أغمق للهوفر */
    --md-primary-hover: #15803d;         
    /* درجة داكنة جداً عند الضغط */
    --md-primary-active: #14532d;        
    /* لون نص الزر (أبيض) */
    --md-btn-text: #ffffff;              
}

body {
    margin: 0;
    padding: 0;
    background: #f5f7fb;
    font-family: "Cairo", sans-serif;
    direction: rtl;
}

.btn-material {
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 500;
    font-family: sans-serif;
    color: var(--md-btn-text);
    background-color: var(--md-primary-green); 
    border: none;
    border-radius: 8px;
    cursor: pointer;
    outline: none;
    transition: background-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.15s ease;
    box-shadow: 0 2px 4px rgba(22, 163, 74, 0.2), 
                0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-material:hover {
    background-color: var(--md-primary-hover); 
    box-shadow: 0 6px 12px rgba(22, 163, 74, 0.3);
    color: var(--md-btn-text);
}

/* ===============================
   right SIDE
================================= */
.auth-right {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--md-primary-green), var(--md-primary-hover));
    color: white;
    padding: 50px;
}

/* ===============================
   LOGO
================================= */
.logo-card {
    width: 260px;
    height: 260px;
    margin: auto;
    border-radius: 28px;
    background: #fff;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 18px;
}

.logo-card img {
    width: 400px;
    height: 400px;
    object-fit: contain;
}

/* ===============================
   LEFT TEXT
================================= */
.brand-title {
    font-size: 42px;
    font-weight: 700;
    margin-top: 30px;
    margin-bottom: 20px;
}

.brand-description {
    font-size: 22px;
    line-height: 1.8;
    opacity: 0.95;
    margin-bottom: 40px;
}

.feature-item {
    font-size: 18px;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ===============================
   RIGHT SIDE
================================= */
.auth-left {
    min-height: 100vh;
    background: #f8fafc;
}

/* ===============================
   CARD
================================= */
.auth-card {
    width: 100%;
    max-width: 540px;
    background: white;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

/* ===============================
   TITLES
================================= */
.auth-title {
    color: #111827;
    font-weight: 700;
    font-size: 30px;
}

.auth-subtitle {
    color: #6b7280;
    font-size: 15px;
}

/* ===============================
   FORM
================================= */
.form-label {
    color: #374151;
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
}

.form-control {
    height: 54px;
    border-radius: 14px;
    border: 1px solid #d1d5db;
    background: #fff;
    color: #111827;
    padding: 12px 16px;
    font-size: 15px;
    box-shadow: none !important;
    text-align: right;
}

.form-control::placeholder {
    color: #9ca3af;
}

.form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14) !important;
}

/* ===============================
   BUTTON
================================= */
.auth-btn {
    height: 54px;
    border: none;
    border-radius: 14px;
    background: #2563eb;
    color: white;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
}

.auth-btn:hover {
    background: #1d4ed8;
}

/* ===============================
   LINKS
================================= */
.auth-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 700;
}

.auth-link:hover {
    color: #1d4ed8;
}